ERICSSON AND HIS INVENTIONS.

No events of the present war will be longer remembered, or will hold a

more prominent place in History, than those which took place on the

eighth and ninth of March in Hampton Roads, when the Rebel steamer

Merrimack attacked the Federal fleet. We all know what havoc she made

in her first day's work. When the story of her triumphs flashed over

the wires, it fell like a thunderbolt upon all loyal hearts.

The Cumberland, manned by as gallant a crew as ever fought under the

Stars and Stripes, had gone down helplessly before her. The Congress,

half-manned, but bravely defended, had been captured and burnt.

Sailing frigates, such as were deemed formidable in the days of Hull

and Decatur, and which some of our old sea-dogs still believed to be

the main stay of the navy, were found to be worse than useless against

this strange antagonist. Our finest steam-frigates, though

accidentally prevented from getting fairly into action, seemed likely,

however skilfully handled, to have proved almost as inefficient; for

all our batteries and broadsides had produced no effect on this

iron-clad monster. She had gone back to her lair uninjured. What was to

prevent her from coming out again to break the blockade, bombard our

seaports, sink and destroy everything that came in her way?

But we had only seen the first act of the drama. The curtain was to

rise again, and a new character was to appear on the stage. The

champion of the Union, in complete armor, was about to enter the lists.

When the Merrimack steamed out defiantly on Sunday morning, the Monitor

was there to meet her. Then, for the first time in naval warfare, two

iron-clad vessels were pitted against each other. The Merrimack was

driven back disabled. We breathed freely again at this

_dénouement_, and congratulated ourselves that the nation had

been saved from enormous damage and disgrace. We did not foresee that

the great Rebel monster, despairing of a successful encounter with her

antagonist, was to end her career by suicide. We thought only of the

vast injury which she might have done, and might yet be capable of

doing, to the Union cause, but from which we had so providentially

escaped. It was indeed a narrow escape. Nothing but the opportune

arrival of the Monitor saved us; and for this impregnable vessel we

are indebted to the genius of Ericsson.

This distinguished engineer and inventor, although a foreigner by

birth, has long been a citizen of the United States. His first work in

this country--by which, as in the present instance, he added honor and

efficiency to the American navy--was the steam-frigate Princeton, a

vessel which in her day was almost as great a novelty as the Monitor is

now. The improvements in steam machinery and propulsion and in the arts

of naval warfare, which he introduced in her, formed the subject of a

lecture delivered before the Boston Lyceum by John O. Sargent, in 1844,

from which source we derive some interesting particulars concerning

Ericsson's early history.

John Ericsson was born in 1803, in the Province of Vermeland, among the

iron mountains of Sweden. His father was a mining proprietor, so that

the youth had ample opportunities to watch the operation of the

various engines and machinery connected with the mines. These had been

erected by mechanicians of the highest scientific attainments, and

presented a fine study to a mind of mechanical tendencies. Under such

influences, his innate mechanical talent was early developed. At the

age of ten years, he had constructed with his own hands, and after his

own plans, a miniature sawmill, and had made numerous drawings of

complicated mechanical contrivances, with instruments of his own

invention and manufacture.

In 1814 he attracted the attention of the celebrated Count Platen, who

had heard of his boyish efforts, and desired an interview with him.

After carefully examining various plans and drawings which the youth

exhibited, the Count handed them back to him, simply observing, in an

impressive manner, "Continue as you have commenced, and you will one

day produce something extraordinary."

Count Platen was the intimate personal friend of Bernadotte, the King

of Sweden, and was regarded by him with a feeling little short of

veneration. It was Count Platen who undertook and carried through, in

opposition to the views of the Swedish nobility, and of nearly the

whole nation, that gigantic work, the Grand Ship Canal of Sweden, which

connects the North Sea with the Baltic. He died Viceroy of Norway, and

left behind him the reputation of one of the greatest men of the

century. The few words of kind encouragement which he spoke, on the

occasion to which we have referred, sank deeply into the mind of the

young mechanician, and confirmed him in the career on which he had

entered.

Immediately after this interview young Ericsson was made a cadet in the

corps of engineers, and, after six months' tuition, at the age of

twelve years, was appointed _niveleur_ on the Grand Ship Canal

under Count Platen. In this capacity, in the year 1816, he was required

to set out the work for more than six hundred men. The canal was

constructed by soldiers. He was at that time not tall enough to look

through the levelling-instrument; and in using it, he was obliged to

mount upon a stool, carried by his attendants for that purpose. As the

discipline in the Swedish army required that the soldier should always

uncover the head in speaking to his superior, gray-headed men came, cap

in hand, to receive their instructions from this mere child.

While thus employed in the summer months, he was constantly occupied

during the winter with his pencil and pen; and there are many

important works on the canal constructed after drawings made by

Ericsson at this early age. During his leisure hours, he measured up

and made working-drawings of every implement and piece of machinery

connected with this great enterprise; so that at the age of fifteen he

was in possession of accurate plans of the whole work, drawn by his own

hand.

His associations with military men on the canal had given him an

inclination for military life; and at the age of seventeen he entered

the Swedish army as an ensign, without the knowledge of his friend and

patron, Count Platen. This step excited the indignation of the Count,

who tried to prevail upon him to change his resolution; but finding all

his arguments useless, he terminated an angry interview by bidding

the young ensign "go to the Devil." The affectionate regard which he

entertained for the Count, and gratitude for the interest taken by him

in his education, caused the circumstances of this interview to make a

deep impression upon Ericsson, but were not sufficient to shake his

determination.

Soon after the young ensign had entered upon his regimental duties, an

affair occurred which threatened to obscure his hitherto bright

prospects. His Colonel, Baron Koskull, had been disgraced by the King,

about the time that he had recommended Ericsson for promotion. This

circumstance induced the King to reject the recommendation. The Colonel

was exceedingly annoyed by this rejection; and having in his possession

a military map made by the expectant ensign, he took it to his Royal

Highness the Crown Prince Oscar, and besought him to intercede for the

young man with the King. The Prince received the map very kindly,

expressing great admiration of its beautiful finish and execution, and

presented himself in person with it to the King, who yielded to the

joint persuasion of the Prince and the map, and promoted the young

ensign to the lieutenancy for which he had been recommended.

About the time of this promotion, the Government had ordered the

northern part of Sweden to be accurately surveyed. It being the desire

of the King that officers of the army should be employed in this

service, Ericsson, whose regiment was stationed in the northern

highlands, proceeded to Stockholm, for the purpose of submitting

himself to the severe examination then a prerequisite to the

appointment of Government surveyor.

The mathematical education which he had received under Count Platen now

proved very serviceable. He passed the examination with great

distinction, and in the course of it, to the surprise of the examiners,

showed that he could repeat Euclid _verbatim_,--not by the

exercise of the memory, which in Ericsson is not remarkably retentive,

but from his perfect mastery of geometrical science. There is no doubt

that it is this thorough knowledge of geometry to which he is indebted

for his clear conceptions on all mechanical subjects.

Having returned to the highlands, he entered on his new vocation with

great assiduity; and, supported by an unusually strong constitution, he

mapped a larger extent of territory than any other of the numerous

surveyors employed on the work. There are yet in the archives of Sweden

detailed maps of upwards of fifty square miles made by his hand.

Neither the great labors attending these surveys, nor his military

duties, could give sufficient employment to the energies of the young

officer. In connection with a German engineer, Major Pentz, he now

began the arduous task of compiling a work on Canals, to be illustrated

by sixty-four large plates, representing the various buildings,

machines, and instruments connected with the construction of such

works. The part assigned to him in this enterprise was nothing less

than that of making all the drawings, as well as of engraving the

numerous plates; and as all the plates were to be executed in the style

of what is called machine-engraving, he undertook to construct a

machine for the purpose, which he successfully accomplished. This work

he prosecuted with so much industry, in the midst of his other various

labors, that, within the first year of its commencement, he had

executed eighteen large plates, which were pronounced by judges of

machine-engraving to be of superior merit.

While thus variously occupied, being on a visit to the house of his

Colonel, Ericsson on one occasion showed his host, by a very simple

experiment, how readily mechanical power may be produced, independently

of steam, by condensing flame. His friend was much struck by the beauty

and simplicity of the experiment, and prevailed upon Ericsson to give

more attention to a principle which he considered highly important. The

young officer accordingly made sonic experiments on an enlarged scale,

and succeeded in the production of a motive power equal to that of a

steam-engine of ten-horse power. So satisfactory was the result, from

the compact form of the machine employed, as well as the comparatively

small consumption of fuel, that he conceived the idea of at once

bringing it out in England, the great field for all mechanical

inventions.

Ericsson accordingly obtained, leave from the King to visit England,

where he arrived on the eighteenth of May, 1826. He there proceeded to

construct a working engine on the principle above mentioned, but soon

discovered that his _flame-engine_, when worked by the combustion

of mineral coals, was a different thing from the experimental model he

had tried in the highlands of Sweden, with fuel composed of the

splinters of fine pine wood. Not only did he fail to produce an

extended and vivid flame, but the intense heat so seriously affected

all the working parts of the machine as soon to cause its destruction.

These experiments, it may well be supposed, were attended with no

trifling expenditure; and, to meet these demands upon him, our young

adventurer was compelled to draw on his mechanical resources.

Invention now followed invention in rapid succession, until the records

of the Patent-Office in London were enriched with the drawings of the

remarkable steam-boiler on the principle of _artificial draught_;

to which principle we are mainly indebted for the benefits conferred on

civilization by the present rapid communication by railways. In

bringing this important invention before the public, Ericsson thought

it advisable to join some old and established mechanical house in

London; and accordingly he associated himself with John Braithwaite, a

name favorably known in the mechanical annals of England. This

invention was hardly developed, when an opportunity was presented for

testing it in practice.

The directors of the Liverpool and Manchester Railway, before erecting

the stationary engines by which they had intended to draw their

passenger and freight carriages, determined to appeal to the mechanical

talent of the country, in the hope of securing some preferable form of

motor. A prize was accordingly offered, in the autumn of 1829, for the

best locomotive engine, to be tested on the portion of the railway then

completed. Ericsson was not aware that any such prize had been offered,

until within seven weeks of the day fixed for the trial. He was not

deterred by the shortness of the time, but, applying all his energies

to the task, planned an engine, executed the working-drawings, and had

the whole machine constructed within the seven weeks.

The day of trial arrived. Three engines entered the lists for the

prize,--namely, the Rocket, by George Stephenson; the Sanspareil, by

Timothy Hackworth; and the Novelty, by Ericsson. Both sides of the

railway, for more than a mile in length, were lined with thousands of

spectators. There was no room for jockeying in such a race, for

inanimate matter was to be put in motion, and that moves only in

accordance with immutable laws. The signal was given for the start.

Instead of the application of whip and spur, the gentle touch of the

steam-valve gave life and motion to the novel machine.

Up to that period, the greatest speed at which man had been carried

along the ground was that of the race-horse; and no one of the

multitude present on this occasion expected to see that speed

surpassed. It was the general belief that the maximum attainable by the

locomotive engine would not much exceed ten miles. To the surprise and

admiration of the crowd, however, the Novelty steam-carriage, the

_fastest_ engine started, guided by its inventor Ericsson,

assisted by John Braithwaite, darted along the track at the rate of

upwards of fifty miles an hour!

The breathless silence of the multitude was now broken by thunders of

hurras, that drowned the hiss of the escaping steam and the rolling of

the engine-wheels. To reduce the surprise and delight excited on this

occasion to the universal standard, and as an illustration of the

extent to which the value of property is sometimes enhanced by the

success of a mechanical invention, it may be stated, that, when the

Novelty had run her two miles and returned, the shares of the Liverpool

and Manchester Railway had risen _ten per cent_.

But how easily may the just expectations of an inventor be

disappointed! Although the principle of _artificial draught_--the

principle which gave to the Novelty such decided superiority in

speed--is yet retained in all locomotive engines, the mode of producing

this draught in our present engines is far different from that

introduced by Ericsson, and was discovered by the merest accident; and

so soon was this discovery made, after the successful display of the

Novelty engine, that Ericsson had no time to derive the least advantage

from its introduction. To him, however, belongs the credit of having

disproved the correctness of the once established theory, that it was

absolutely necessary that a certain _extensive_ amount of

_surface_ should be exposed to the fire, to generate a given

quantity of steam.

The remarkable lightness and compactness of the new boiler invented by

Ericsson led to the employment of steam in many instances in which it

had been previously inapplicable. Among these may be mentioned the

steam fire-engine constructed by him in conjunction with Mr.

Braithwaite, about the same time with the Novelty, and which excited so

much interest in London at the time the Argyle Rooms were on fire. A

similar engine of greater power was subsequently constructed by

Ericsson and Braithwaite for the King of Prussia, which was mainly

instrumental in saving several valuable buildings at a great fire in

Berlin. For this invention Ericsson received, in 1842, the large gold

medal offered by the Mechanics' Institute of New York for the best plan

of a steam fire-engine.

In the year 1833 Ericsson brought before the scientific world in London

his invention of the Caloric-Engine, which had been a favorite subject

of speculation and reflection with him for many years. From the

earliest period of his mechanical labors, he had been in the habit of

regarding heat as an agent, _which, whilst it exerts mechanical

force, undergoes no change._ The steam in the cylinder of a

steam-engine, after having lifted the weight of the piston, contains

just as much heat as it did before leaving the boiler,--minus only the

loss by radiation. Yet in the low-pressure engine we turn the steam,

after having performed its office, into a condensing-apparatus, where

the heat is in a manner annihilated; and in the high-pressure engine we

throw it away into the atmosphere.

The acting medium employed in the Caloric-Engine is atmospheric air;

and the leading peculiarity of the machine, as originally designed by

Ericsson, is, that by means of an apparatus styled the Regenerator the

heat contained in the air which escapes from the working cylinder is

taken up by the air which enters it at each stroke of the piston and

used over and over again.

The machine constructed by Ericsson in London was a working engine of

five-horse power, the performance of which was witnessed by many

gentlemen of scientific pretensions in that metropolis. Among others,

the popular author, Sir Richard Phillips, examined it; and in his

"Dictionary of the Arts of Life and of Civilization," he thus notices

the result of this experiment:--"The author has, with inexpressible

delight, seen the first model machine of five-horse power at work. With

a handful of fuel, applied to the very sensible medium of atmospheric

air, and a most ingenious disposition of its differential powers, he

beheld a resulting action in narrow compass, capable of extension to as

great forces as ever can be wielded or used by man." Dr. Andrew Ure

went so far as to say that the invention would "throw the name of his

great countryman, James Watt, into the shade." Professor Faraday gave

it an earnest approval. But, with these and some other eminent

exceptions, the scientific men of the day condemned the principle on

which the invention was based as unsound and untenable.

The interest which the subject excited did not escape the British

Government. Before many days had elapsed, the Secretary of the Home

Department, accompanied by Mr. Brunel, the constructor of the Thames

Tunnel, made his appearance in the engine-room where the new motive

power was in operation. Mr. Brunel, who was at that time somewhat

advanced in years, conceived at the outset an erroneous notion of the

nature of the new power, which he would not suffer to be corrected by

explanations. A discussion sprang up between him and the inventor,

which was followed by a long correspondence. The result was, that an

unfavorable impression of the invention was communicated to the British

Government.

The invention fared little better at the hands of Professor Faraday,

from whose efficient advocacy the most favorable results might have

been anticipated. This gentleman had announced that he would deliver a

lecture on the subject in London, in the spacious theatre of the Royal

Institution. The novelty of the invention, combined with the

reputation of the lecturer, had attracted a very large audience,

including many individuals of eminent scientific attainments. Just

half an hour, however, before he was expected to enlighten this

distinguished assembly, the celebrated lecturer discovered that he had

mistaken the expansive principle which is the very life of the

machine. Although he had spent many hours in studying the

Caloric-Engine in actual operation, and in testing its absolute force

by repeated experiments, Professor Faraday was compelled to inform his

hearers, at the very outset, that he did not know why the engine worked

at all. He was obliged to confine himself, therefore, to the

explanation of the Regenerator, and the process by which the heat is

continually returned to the cylinder, and re-employed in the

production of force. To this part of the invention he rendered ample

justice, and explained it in that felicitous style to which he is

indebted for the reputation he deservedly enjoys, as the most agreeable

and successful lecturer in England.

Other causes than the misconception of a Brunel and a Faraday operated

to retard the practical success of this beautiful invention. The high

temperature which it was necessary to keep up in the circulating medium

of the engine, and the consequent oxidation, soon destroyed the

pistons, valves, and other working parts. These difficulties the

inventor endeavored to remedy, in an engine, which he subsequently

constructed, of much larger powers, but without success. His failure in

this respect, however, did not deter him from prosecuting his

invention. He continued his experiments from time to time, as

opportunity permitted, confident that he was gradually, but surely,

approaching the realization of his great scheme.

Meanwhile he applied himself with his accustomed energy to the

practical working out of another favorite idea. The principle of the

Ericsson propeller was first suggested to the inventor by a study of

the means employed to propel the inhabitants of the air and deep. He

satisfied himself that all such propulsion in Nature is produced by

oblique action; though, in common with all practical men, he at first

supposed that it was inseparably attended by a loss of power. But when

he reflected that this was the principle invariably adopted by the

Great Mechanician of the Universe, in enabling the birds, insects, and

fishes to move through their respective elements, he knew that he must

be in error. This he was soon able to demonstrate, and he became

convinced, by a strict application of the laws which govern matter and

motion, that no loss of power whatever attends the oblique action of

the propelling surfaces applied to Nature's locomotives. After

having satisfied himself on the theory of the subject, the first step

of the inventor was the construction of a small model, which he tried

in the circular basin of a bath in London. To his great delight, so

perfectly was his theory borne out in practice, that this model, though

less than two feet long, performed its voyage about the basin at the

rate of three English miles an hour.

The next step in the invention was the construction of a boat forty

feet long, eight feet beam, and three feet draught of water, with two

propellers, each of five feet three inches in diameter. So successful

was this experiment, that, when steam was turned on the first time, the

boat at once moved at a speed of upwards of ten miles an hour, without

a single alteration being requisite in her machinery. Not only did she

attain this considerable speed, but her power to tow larger vessels was

found to be so great that schooners of one hundred and forty tons'

burden were propelled by her at the rate of seven miles an hour; and

the American packet-ship Toronto was towed in the river Thames by this

miniature steamer at the rate of more than five English miles an hour.

This feat excited no little interest among the boatmen of the Thames,

who were astonished at the sight of this novel craft moving against

wind and tide without any visible agency of propulsion, and, ascribing

to it some supernatural origin, united in giving it the name of the

_Flying Devil_. But the engineers of London Hoarded the

experiment with silent neglect; and the subject, when laid before the

Lords of the British Admiralty, failed to attract any favorable notice

from that august body.

Perceiving its peculiar and admirable fitness for ships of war,

Ericsson was confident that their Lordships would at once order the

construction of a war-steamer on the new principle. He invited them,

therefore, to take an excursion in tow of his experimental boat.

Accordingly, the gorgeous and gilt Admiralty Barge was ordered up to

Somerset House, and the little steamer was lashed along-side. The barge

contained Sir Charles Adam, Senior Lord of the Admiralty,--Sir William

Simonds, Chief Constructor of the British Navy,--Sir Edward Parry, the

celebrated Arctic navigator,--Captain Beaufort, the Chief of the

Topographical Department of the British Admiralty,--and others of

scientific and naval distinction.

In the anticipation of a severe scrutiny from so distinguished a

personage as the Chief Constructor of the British Navy, the inventor

had carefully prepared plans of his new mode of propulsion, which were

spread on the damask cloth of the magnificent barge. To his utter

astonishment, as we may well imagine, this scientific gentleman did not

appear to take the slightest interest in his explanations. On the

contrary, with those expressive shrugs of the shoulder and shakes of

the head which convey so much to the bystander without absolutely

committing the actor,--with an occasional sly, mysterious, undertone

remark to his colleagues,--he indicated very plainly, that, though his

humanity would not permit him to give a worthy man cause for so much

unhappiness, yet that "he could, an if he would," demonstrate by a

single word the utter futility of the whole invention.

Meanwhile the little steamer, with her precious charge, proceeded at a

steady progress of ten miles an hour, through the arches of the lofty

Southwark and London bridges, towards Limehouse, and the steam-engine

manufactory of the Messrs. Seaward. Their Lordships having landed, and

inspected the huge piles of ill-shaped cast-iron, misdenominated marine

engines, intended for some of His Majesty's steamers, with a look at

their favorite propelling--apparatus, the Morgan paddle-wheel, they

reembarked, and were safely returned to Somerset House by the

disregarded, noiseless, and unseen propeller of the new steamer.

On parting, Sir Charles Adam, with a sympathizing air, shook the

inventor cordially by the hand, and thanked him for the trouble he had

been at in showing him and his friends this _interesting_

experiment, adding that he feared he had put himself to too great an

expense and trouble on the occasion. Notwithstanding this somewhat

ominous _finale_ of the day's excursion, Ericsson felt confident

that their Lordships could not fail to perceive the great importance of

the invention. To his surprise, however, a few days afterwards, a

friend put into his hands a letter written by Captain Beaufort, at the

suggestion, probably, of the Lords of the Admiralty, in which that

gentleman, who had himself witnessed the experiment, expressed regret

to state that their Lordships had certainly been very much disappointed

at its result. The reason for the disappointment was altogether

inexplicable to the inventor; for the speed attained at this trial far

exceeded anything that had ever been accomplished by any paddle-wheel

steamer on so small a scale.

An accident soon relieved his astonishment, and explained the

mysterious givings-out of Sir William Simonds on the day of the

excursion. The subject having been started at a dinner-table where a

friend of Ericsson's was present, Sir William ingeniously and

ingenuously remarked, that, "even if the propeller had the power of

propelling a vessel, it would be found altogether useless in practice,

_because_, the power being applied in the _stern_, it would

be _absolutely impossible_ to make the vessel steer." It may not

be obvious to every one how our naval philosopher derived his

conclusion from his premises; but his hearers doubtless readily

acquiesced in the oracular proposition, and were much amused at the

idea of undertaking to steer a vessel when the power was applied in her

stern.

But we may well excuse the Lords of the British Admiralty for

exhibiting no interest in the invention, when we reflect that the

engineering corps of the empire were arrayed in opposition to

it,--alleging that it was constructed upon erroneous principles, and

full of practical defects, and regarding its failure as too certain to

authorize any speculations even as to its success. The plan was

specially submitted to many distinguished engineers, and was publicly

discussed in the scientific journals; and there was no one but the

inventor who refused to acquiesce in the truth of the numerous

demonstrations proving the vast loss of mechanical power which must

attend this proposed substitute for the old-fashioned paddle-wheel.

While opposed by such a powerful array of English scientific wisdom,

the inventor had the satisfaction of submitting his plan to a citizen

of the New World, Mr. Francis B. Ogden,--for many years Consul of the

United States at Liverpool,--who was able to understand its philosophy

and appreciate its importance. Though not an engineer by profession,

Mr. Ogden was distinguished for his eminent attainments in mechanical

science, and is entitled to the honor of having first applied the

important principle of the expansive power of steam, and of having

originated the idea of employing right-angular cranks in marine

engines. His practical experience and long study of the subject--for he

was the first to stem the waters of the Ohio and Mississippi, and the

first to navigate the ocean by the power of steam alone--enabled him at

once to perceive the truth of the inventor's demonstrations. And not

only did he admit their truth, but he also joined Ericsson in

constructing the experimental boat to which we have alluded, and

which the inventor launched into the Thames with the name of the

"Francis B. Ogden," as a token of respect to his Transatlantic friend.

Other circumstances soon occurred which consoled the inventor for his

disappointment in the rejection of the propeller by the British

Admiralty. The subject had been brought to the notice of an officer of

the United States navy. Captain Robert F. Stockton, who was at that

time on a visit to London, and who was induced to accompany him in one

of his experimental excursions on the Thames. Captain Stockton is

entitled to the credit of being the first naval officer who heard,

understood, and dared to act upon the suggestions of Ericsson, as to

the application of the propeller to ships of war. At the first glance,

he saw the important bearings of the invention; and his acute judgment

enabled him at once to predict that it was destined to work a

revolution in naval warfare. After making a single trip in the

experimental steamboat, from London Bridge to Greenwich, he ordered

the inventor to build for him forthwith two iron boats for the United

States, with steam-machinery and propeller on the plan of this rejected

invention. "I do not want," said Stockton, "the opinions of your

scientific men; what I have seen this day satisfies me." He at once

brought the subject before the Government of the United States, and

caused numerous plans and models to be made, at his own expense,

explaining the peculiar fitness of the invention for ships of war. So

completely persuaded was he of its great importance in this aspect,

and so determined that his views should be carried out, that he boldly

assured the inventor that the Government of the United States would

test the propeller on a large scale; and so confident was Ericsson

that the perseverance and energy of Captain Stockton would sooner or

later accomplish what he promised, that he at once abandoned his

professional engagements in England, and came to the United States,

where he fixed his residence in the city of New York. This was in the

year 1839.

Circumstances delayed, for some two years, the execution of their plan.

With the change of the Federal Administration, Stockton was first able

to obtain a favorable hearing; and having at length received the

necessary authority, the Princeton was built under his superintendence,

from the designs of Ericsson. She was completed and ready for sea

early in 1844, when she was pronounced by Stockton "the cheapest,

fastest, and most certain ship of war in the world."

In this vessel, in addition to the propeller, Ericsson introduced his

semicylindrical steam-engine, a beautiful invention, so compact that

it occupied only one-eighth of the bulk of the British marine engine

of corresponding power, and was placed more than four feet below the

water-line. The boilers were also below the water-line, having a

peculiar heating-apparatus attached which effected a great saving of

fuel, and with their furnaces and flues so constructed as to burn

anthracite as well as bituminous coal. Instead of the ordinary tall

smoke-pipe,--an insuperable objection to a steamer as a ship of

war,--he constructed a smoke-pipe upon the principle of the telescope,

which could be elevated or depressed at pleasure; and in order to

provide a draught independent of the height of the smoke-pipe, he

placed centrifugal blowers in the bottom of the vessel, which were

worked by separate small engines,--an arrangement originally applied

by him to marine engines in the steam-packet Corsair in 1831. Thus the

steam-machinery of the Princeton fulfilled the most important

requisites for a war-steamer, combining lightness, compactness,

simplicity, and efficiency, and being placed wholly out of reach of the

enemy's fire.

The armament of the ship also exhibited many peculiarities. "By the

application of the various arts to the purposes of war on board of the

Princeton," says Captain Stockton, in his report to the Navy

Department, "it is believed that the art of gunnery for sea-service

has, for the first time, been reduced to something like mathematical

certainty. The distance to which the guns can throw their shot at every

necessary angle of elevation has been ascertained by a series of

careful experiments. The distance from the ship to any object is

readily ascertained with an instrument on board, contrived for that

purpose, by an observation which it requires but an instant to make,

and by inspection without calculation. By self-acting locks, the guns

can be fired accurately at the necessary elevation,--no matter what

the motion of the ship may be." The instruments here referred to,

namely, the Distance-Instrument and the Self-Acting Gun-Lock, and also

the wrought-iron gun-carriage, by means of which Captain Stockton's

enormous guns were readily handled and directed, all were the

productions of Ericsson's fertile mechanical genius.

A committee of the American Institute, by whom this remarkable vessel

was examined, thus concluded their report:--"Your Committee take leave

to present the Princeton as every way worthy the highest honors of the

Institute. She is a sublime conception, most successfully

realized,--an effort of genius skilfully executed,--a grand

_unique_ combination, honorable to the country, as creditable to

all engaged upon her. Nothing in the history of mechanics surpasses the

inventive genius of Captain Ericsson, unless it be the moral daring of

Captain Stockton, in the adoption of so many novelties at one time." We

may add that in the Princeton was exhibited the first successful

application of screw-propulsion to a ship of war, and that she was the

first steamship ever built with the machinery below the water-line and

out of the reach of shot.

Ericsson spent the best part of two years in his labors upon the

Princeton. Besides furnishing the general plan of the ship and

supplying her in every department with his patented improvements, he

prepared, with his own hand, the working-drawings for every part of

the steam-machinery, propelling-apparatus, and steering-apparatus in

detail, and superintended their whole construction and arrangement,

giving careful and exact instructions as to the most minute

particulars. In so doing, he was compelled to make frequent journeys

from New York to Sandy Hook and Philadelphia, involving no small amount

of trouble and expense. For the use of his patent rights in the engine

and propeller, he had, at the suggestion of Captain Stockton, refrained

from charging the usual fees, consenting to accept, as full

satisfaction, whatever the Government, after testing the inventions,

should see fit to pay. He never imagined, however, that his laborious

services as engineer were to go unrequited, or that his numerous

inventions and improvements, unconnected with the engine and propeller,

were to be furnished gratuitously. Yet, when, after the Princeton, as

we have seen, had been pronounced on all hands a splendid success,

Ericsson presented his bill to the Navy Department,--not for the

patent-fees in question, but for the bare repayment of his

expenditures, and compensation for his time and labor in the service

of the United States,--he was informed that his claim could not be

allowed; it could not be recognized as a "legal claim." It was not

denied that the services alleged had been rendered,--that the work for

which compensation was asked had been done by Ericsson, and well

done,--nor that the United States were in the enjoyment of the unpaid

results of his labor and invention. A claim based upon such

considerations might, it would seem, have been brought within the

definition of a legal claim. But if not admissible under the strict

rules of the Navy Department, it was certainly an equitable demand

against the United States; and Ericsson could not believe that the

representatives of the great American people would stand upon

technicalities. He accordingly made a direct appeal to them in a

Memorial to Congress.

We may as well here give the further history of this claim. It met with

the usual delays and obstructions that private claims, having nothing

but their intrinsic merits to support them, are compelled to

encounter. It called forth the usual amount of legislative

pettifogging. Session after session passed away, and still it hung

between the two Houses of Congress, until the very time which had

elapsed since it was first presented began to be brought up as an

argument against it. At length, when Congress established the Court of

Claims, a prospect opened of bringing it to a fair hearing and a

final decision. It was submitted to that tribunal six years ago. The

Court decided in its favor,--the three judges (Gilchrist, Scarborough,

and Blackford) being unanimous in their judgment. A bill directing its

payment was reported to the Senate,--and there it is still. Although

favorably reported upon by two committees at different sessions, and

once passed by the Senate, without a vote recorded against it, it has

never yet got through both Houses of Congress. For furnishing this

Government with the magnificent war-steamer which was pronounced by

Captain Stockton "the cheapest, fastest, and most certain ship of war

in the world," Ericsson has never been paid a dollar. It remains to be

seen whether the present Congress will permit this stain upon the

national good faith to continue. If it does, its "votes of thanks" are

little better than a mockery.

The efficiency and utility of the propeller having been established

beyond a doubt, it went at once into extensive use. But the inventor

was again disappointed in his just expectation of reaping an adequate

pecuniary benefit from his exertions. Upon the strength of some

attempts at screw-propulsion,--made and abandoned by various

experimenters,--which had never resulted, and probably never would

have resulted, in any practical application, rival machines, which

conflicted with Ericsson's patent, soon made their appearance. A long

litigation followed, during which all attempts to collect patent-fees

were necessarily suspended; and the result was, that the invention was

virtually abandoned to the public. But no one can take from Ericsson

the honor of having first introduced the screw-propeller into actual

use, and demonstrated its value,--an honor which is now freely

accorded to him by the highest scientific authorities at home and

abroad.

Although the first five years of his American experience had been less

profitable, in a pecuniary sense, than he had anticipated, he

continued to reside in the city of New York, where he found an ample

field for the exercise of his great powers in the line of his

profession. He planned the war-steamer Pomone, the first screw-vessel

introduced into the French navy. He planned revenue-cutters for the

United States Government, taking care always to have his contracts so

distinctly made that no question could again arise as to his "legal

claim." He invented a useful apparatus for supplying the boilers of

sea-going steamers with fresh water. He invented various modifications

of the steam-engine.

In the American division of the London Industrial Exhibition of all

Nations in 1851, he exhibited the Distance-Instrument, for measuring

distances at sea,--the Hydrostatic Gauge, for measuring the volume of

fluids under pressure,--the Reciprocating Fluid-Metre, for measuring

the quantity of water which passes through pipes during definite

periods,--the Alarm-Barometer,--the Pyrometer, intended as a standard

measure of temperature, from the freezing-point of water up to the

melting-point of iron,--a Rotary Fluid-Metre, the principle of which

is the measurement of fluids by the velocity with which they pass

through apertures of different dimensions,--and a Sea-Lead, contrived

for taking soundings at sea without rounding the vessel to the wind,

and independently of the length of the lead-line. For these inventions

he received the prize-medal of the Exhibition.

But while thus continually occupied with new enterprises and objects,

he did not lose sight of his great idea, the Caloric-Engine. All his

spare hours and spare funds were devoted to experiments with the view

of overcoming the practical difficulties which stood in the way of its

success. Towards the end of the year 1851 he seemed to be on the point

of realizing his hopes, having constructed a large stationary engine,

which was applied with great success, at the Phoenix Foundry in New

York, to the actual work of pumping water. Soon after, through the

liberality of Mr. John B. Kitching, a well-known merchant of New

York, he was enabled to test the invention on a magnificent scale. A

ship of two thousand tons, propelled by the power of caloric-engines,

was planned and constructed by him in the short space of seven months,

and in honor of the inventor received the name of the "Ericsson."

Every one will remember the interest which this caloric-ship excited

throughout the country. She made a trip from New York to Alexandria on

the Potomac, in very rough weather, in the latter part of February,

1853. On this trip the engines were in operation for seventy-three

hours without being stopped for a moment, and without requiring the

slightest adjustment, the consumption of fuel being only five tons in

twenty-four hours. At Alexandria she was visited by the President and

President elect, the heads of the departments, a large number of naval

officers, and many members of both Houses of Congress, and

subsequently by the foreign ministers in a body, and by the Legislature

of Virginia, then in session. Ericsson was invited by a committee of

the Legislature to visit Richmond, as the guest of the State. The

Secretary of the Navy recommended, in a special communication to

Congress, the passage of a resolution authorizing him to contract for

the construction of a frigate of two thousand tons to be equipped with

caloric-engines, and to appropriate for this purpose five hundred

thousand dollars. This recommendation failed in consequence of the

pressure of business at the close of the session.

But notwithstanding the surprise and admiration which this achievement

excited in the scientific world, the speed attained was not sufficient

to meet the practical exigencies of commerce; and the repetition of

the engines on this large scale could not be undertaken at the charge

of individuals. Ericsson accordingly wisely devoted himself to

perfecting the Calorie-Engine on a small scale, and in 1859 he

produced it in a form which has since proved a complete success. It is

no longer a subject of experiment, but exists as a perfect, practical

machine. More than five hundred of these engines, with cylinders

varying from a diameter of six inches to one of forty inches, are now

in successful operation. It is applied to purposes of pumping,

printing, hoisting, grinding, sawing, turning light machinery, working

telegraphic instruments and sewing-machines, and propelling boats. No

less than forty daily papers (among which we may mention the "National

Intelligencer") are printed by means of this engine. In Cuba it is

used for grinding sugar-cane, on Southern plantations for ginning

cotton; and there is an endless variety of domestic, agricultural, and

mechanical uses to which it may be advantageously applied.

The extent of power attainable by this machine, consistently with its

application to practical uses, is not yet precisely defined. Within

the limit thus far given to it, its power is certain, uniform, and

entirely sufficient. It is not attended with the numerous perils that

make the steam-engine so uncomfortable a servant, but is absolutely

free from danger. It requires no engineering supervision. It consumes a

very small amount of fuel (about one-third of the amount required by

the steam-engine) and requires no water. These peculiarities not only

make it a very desirable substitute for the steam-engine, but render

it available for many purposes to which the steam-engine would never

be applied.

In addition to his regular professional avocations, Ericsson was

industriously occupied in devising new applications of the

Calorie-Engine, when the attempted secession of the Southern States

plunged the country into the existing war and struck a blow at all the

arts of peace. Ills whole heart and mind were given at once to the

support of the Union. Liberal in all his ideas, he is warmly attached

to republican institutions, and has a hearty abhorrence of intolerance

and oppression in all their forms. His early military education and

his long study of the appliances of naval warfare increased the

interest with which he watched the progress of events. The abandonment

of the Norfolk navy-yard to the Rebels struck him as a disgrace that

might have been avoided. He foresaw the danger of a formidable

antagonist from that quarter in the steamship which we had so

obligingly furnished them. The building of gun-boats with

steam-machinery _above_ the water-line--where the first shot from

an enemy might render it useless--seemed to him, in view of what he

had done and was ready to do again, a very unnecessary error. Knowing

thoroughly all the improvements made and making in the war-steamers of

England and France, and feeling the liability of their interference in

our affairs, he could not appreciate the wisdom of building new

vessels according to old ideas. The blockade of the Potomac by Rebel

batteries, in the very face of our navy, seemed to him an indignity

which need not be endured, if the inventive genius of the North could

have fair play.

An impregnable iron gun-boat was, in his judgment, the thing that was

needed; and he determined that the plan of such a vessel should be his

contribution towards the success of the war. The subject was not a

new one to him. He had given it much consideration, and his plan, in

all its essential features, had been matured long before. Proposals

for iron-clad vessels having been invited by the Navy Department,

Ericsson promptly submitted his plans and specifications. Knowing the

opposition that novelties always encounter, he had no great expectation

that his proposal would be accepted. "I have done my part," said he; "I

have offered my plan. It is for the Government to say whether I shall

be allowed to carry it out." He felt confident, however, that, if the

plan should be brought to the notice of the President, his practical

wisdom and sound common sense could not fail to decide in its favor.

Fortunately for the country, Ericsson's offer was accepted by the Navy

Department. He immediately devoted all his energies to the execution of

his task, and the result was the construction of the vessel to which he

himself gave the name of the "Monitor." What she is and what she has

accomplished, we need not here repeat. Whatever may be her future

history, we may safely say, in the words of the New York Chamber of

Commerce, that "the floating-battery Monitor deserves to be, and will

be, forever remembered with gratitude and admiration."

We rejoice to believe that the merits and services of Ericsson are now

fully appreciated by the people of the United States. The thanks of the

nation have been tendered to him by a resolution of Congress. The

Boston Board of Trade and the New York Chamber of Commerce have passed

resolutions expressive of their gratitude. The latter body expressed

also their desire that the Government of the United States should make

to Captain Ericsson "such suitable return for his services as will

evince the gratitude of a great nation." Upon hearing this suggestion,

Ericsson, with characteristic modesty, remarked,--"All the remuneration

I desire for the Monitor I get out of the construction of it. It is

all-sufficient." Nevertheless we think the suggestion well worthy of

consideration. In the same spirit of manly independence, he

discountenanced the movement set on foot among the merchants of New

York for the subscription of a sum of money to be presented to him. He

asks nothing but fair remuneration for services rendered,--and that, it

is to be hoped, the people will take care that he shall receive.

Ericsson is now zealously at work in constructing six new iron

gun-boats on the plan of the Monitor. If that remarkable structure can

be surpassed, he is the man to accomplish it. His ambition is to render

the United States impregnable against the navies of the world. "Give me

only the requisite means," he writes, "and in a very short time we can

say to those powers now bent on destroying republican institutions,

'_Leave the Gulf with your frail craft, or perish_!' I have all my

life asserted that mechanical science will put an end to the power of

England over the seas. The ocean is Nature's highway between the

nations. It should be free; and surely Nature's laws, when properly

applied, will make it so."

His reputation as an engineer is worldwide. In 1852 he was made a

Knight of the Order of Vasa by King Oscar of Sweden. The following

extract from a poem "To John Ericsson" we translate from "Svenska

Tidningen," the Government journal of Stockholm. It is eloquently

expressive of the pride and admiration with which he is regarded in his

native country.

"World-wide his fame, so gracefully adorning

His native Sweden with enduring radiance!

Not a king's crown could give renown so noble:

For his is Thought's great triumph, and the sceptre

He wields is over elements his subjects!"

Although now in his sixtieth year, Ericsson has the appearance of a man

of forty. He is in the very maturity of a vigorous manhood, and retains

all the fire and enthusiasm of youth. He has a frame of iron, cast in a

large and symmetrical mould. His head and face are indicative of

intellectual power and a strong will. His presence impresses one, at

the first glance, as that of an extraordinary man. His bearing is

dignified and courteous, with a touch perhaps of military

_brusquerie_ in his mode of address. He has a keen sense of humor,

a kindly and generous disposition, and a genial and companionable

nature. He is a "good hater" and a firm friend. Like all men of strong

character and outspoken opinions, he has some enemies; but his chosen

friends he "grapples to his heart with hooks of steel."

He is not a mere mechanician, but has great knowledge of men and of

affairs, and an ample fund of information on all subjects. His

conversation is engaging and instructive; and when he seeks to enlist

coöperation in his mechanical enterprises, few men can withstand the

force of his arguments and the power of his personal magnetism.

Although his earnings have sometimes been large, his heavy expenditures

in costly experiments have prevented him from acquiring wealth. Money

is with him simply a means of working out new ideas for the benefit of

mankind; and in this way he does not scruple to spend to the utmost

limit of his resources. He lives freely and generously, but is strictly

temperate and systematic in all his habits.

The amount of labor which he is capable of undergoing is astonishing.

While engaged in carrying out his inventions, it is a common thing for

him to pass sixteen hours a day at his table, in the execution of

detailed mechanical drawings, which he throws off with a facility and

in a style that have probably never been surpassed. He does not seem to

need such recreation as other men pine after. He never cares to run

down to the seashore, or take a drive into the country, or spend a week

at Saratoga or at Newport. Give him his drawing-table, his plans, his

models, the noise of machinery, the clatter of the foundry, and he is

always contented. Week in and week out, summer and winter, he works on

and on,--and the harder he works, the more satisfied he seems to be. He

is as untiring as one of his own engines, which never stop so long as

the fire burns. Endowed with such a constitution, it is to be hoped

that new triumphs and many years of honor and usefulness are yet before

him.

* * * * *

The Atlantic Monthly, Volume 10, No. 57, July, 1862 A Magazine of Literature, Art, and Politics · 第 21 / 41 题