American inventors have had, as a rule, but small success in making

Europe see the value of their inventions before this country has proved

it. Morse could get neither England nor France to take an interest in

his telegraph schemes, and, at a later day, Bell's telephone was

received in England as a curious device, but not worth investing money

in. An exception to this rule may be found, however, in the case of B.B.

Hotchkiss, a Connecticut inventor, who during the civil war conceived

the idea of a breech-loading cannon. In 1869 Hotchkiss mounted one of

his small guns in the Brooklyn Navy-yard, but found no encouragement to

experiment further. The Franco-German war found him in Europe with a

breech-loading gun that would throw shells. His success was such that

there is not a civilized country where Hotchkiss guns, throwing light

shells with a rapidity not dreamed of years ago, are not now in use.

The inventor has made a large fortune and has had the pleasure of

sending to this country a number of guns for our cruisers, the Atlanta,

the Boston, the Chicago, and the Dolphin. So great is the rapidity,

accuracy, and power of these Hotchkiss rapid-fire guns that some experts

expect to see two-thirds of an action fought with these or similar

pieces, which they think will silence and put out of action all the

heavy guns in a few minutes after the enemies come within fifteen

hundred yards of each other. For instance, the latest piece is a

six-pounder, which, with smokeless powder, has a range of five thousand

yards and an effective fighting range of one thousand yards, within

which distance a target the size of a six-inch gun can be hit nearly

every time and five inches of wrought iron perforated. A speed in

firing of twenty-five shots a minute has been attained.

CHARLES F. BRUSH AND THE DYNAMO.

A trifling incident revealed to an Italian savant the fact that when two

metals and the leg of a frog came into contact the muscles of the leg

contracted. The galvanic battery resulted. Years later another observer

discovered that if a wire carrying a current of electricity was wound

around a piece of soft iron the latter became a magnet. Out of these

simple discoveries have arisen the telegraph, the telephone, and a host

of inventions depending upon electricity. And to-day, with all the

wonders accomplished in this field, we are yet upon the threshold of the

enchanted palace that electricity is about to open to us. Through its

aid we shall one day enjoy light, heat, and power almost as freely as we

now enjoy air. The crops will be planted, watered, cultivated, gathered,

and transported to the uttermost ends of the earth by electricity. The

steam-engine is said to do the work of two hundred million men, and to

have been the chief agent in reducing the average working hours of men

in the civilized world in this century from fourteen hours a day to ten.

But electricity, according to even conservative judges, will accomplish

infinitely more. It will make possible the harnessing of vast forces of

nature, such as the falls of Niagara, because the electric current can

be transported from place to place at small cost and it is easily

transformed into light or power or heat. Within a few months we shall

see the first results of the great work at Niagara. Before many years

the power of the tides is certain to be used along the seaboard for

producing electricity. Here is a force equal to that of a million

Niagaras going to waste.

[Illustration: Charles F. Brush.]

The late Clerk Maxwell, when asked by a distinguished scientist what was

the greatest scientific discovery of the last half-century, replied:

"That the Gramme machine is reversible." In other words, that power will

not only produce electricity, but that electricity will produce power.

By turning a big wheel at Niagara we can produce an electric current

that will turn another wheel for us fifty, or perhaps five hundred miles

away. The dynamo is one of the great achievements of the day to which

Charles F. Brush, of Cleveland, O., has devoted himself with much signal

success. Brush was born in March, 1849, in Euclid Township near

Cleveland, and his early years were spent on his father's farm. When

fourteen years old he went to the public school at Collamer, and later

to the Cleveland High-school, and as early as 1862 distinguished himself

by making magnetic machines and batteries for the high-school. During

his senior year in the high-school, the chemical and physical apparatus

of the laboratory of the school was placed under his charge. In this

year he constructed an electric motor having its field magnets as well

as its armature excited by the electric current. He also constructed a

microscope and a telescope, making all the parts himself, down to the

grinding of the lenses. He devised an apparatus for turning on the gas

in the street-lamps of Cleveland, lighting it and turning it off again.

When he was eighteen years of age he entered Michigan University at Ann

Arbor, and, following his particular bent, was graduated as a mining

engineer in 1869, one year ahead of his class. Returning to Cleveland he

began work as an analytical chemist and soon became interested in the

iron business. In 1875 Brush's attention was first called to electricity

by George W. Stockly, who suggested that there was an immense field

ready for a cheaper and more easily managed dynamo than the Gramme or

Siemens, the best types then known. Stockly, who was interested in the

Telegraph Supply Company, of Cleveland, agreed to undertake the

manufacture of such a machine if one was devised. In two months Brush

made a dynamo so perfect in every way that it was running until it was

taken to the World's Fair in 1893. Having made a good dynamo, the next

step was a better lamp than those in use. Six months of experimenting

resulted in the Brush arc light. Stockly was so well satisfied with the

commercial value of these inventions that the Telegraph Supply Company,

a small concern then employing about twenty-five men, was reorganized in

1879, as the Brush Electric Company. In 1880 the Brush Company put its

first lights into New York City, and it has since extended the system

until there is scarcely a town in the country where the light may not be

found. Besides dynamos and lamps, the immense establishment at Cleveland

employs its twelve hundred men in making carbons, storage-batteries, and

electro-plating apparatus. Mr. Brush is a self-taught mechanic, able to

do any work of his shops in a manner equal to that of an expert. He is

intensely practical, never over-sanguine, and an excellent business man.

If a delicate piece of work is to be done for the first time, he will

probably do it with his own hands. He is not fond of experiment for the

experiment's sake; he wants to see the practical utility of the aim in

view before devoting time to its attainment. Of the scores of patents

he has taken out, two-thirds are said to pay him a revenue. In 1881, at

the Paris Electrical Exposition, Brush received the ribbon of the Legion

of Honor. In personal appearance there is nothing of the

round-shouldered, impecunious, studious inventor about him. He is six

feet or more in height, and so fine a specimen of manhood that Gambetta,

the French statesman, once remarked that the man impressed him quite as

much as the inventor.

EICKEMEYER AND HIS MOTOR.

[Illustration: Rudolph Eickemeyer.]

In the same field of electricity, as applied to every-day life, a

Bavarian by birth, but an American by adoption, Rudolf Eickemeyer, of

Yonkers, has done some valuable work in devising a useful form of

dynamo. His machines are now used almost exclusively for elevators and

hoisting apparatus, one large firm of elevator builders having put in no

less than six hundred Eickemeyer motors within the last four years. As

electricity becomes more and more useful for small powers, such as

lathes, pumps, and elevators, an effective and simple motor becomes of

the utmost importance. Rudolf Eickemeyer was born in October, 1831, at

Kaiserslautern, Bavaria, where his father was employed as a forester. He

was educated at the Darmstadt Polytechnic Institute and at once showed a

predilection for scientific work. When still a boy he joined the

Revolutionists under Siegel, and after the upheaval of 1848 came here

with Siegel, Carl Schurz, and George Osterheld, the latter afterward

becoming his partner. The young man's first work here was as an engineer

on the Erie Railroad line, then building. In 1854 he established himself

in Yonkers in the business of repairing the tools used in the many

hat-shops of that already flourishing city. The next twenty years of his

life were devoted to inventions and improvements in every branch of

hat-making. His shaving-machines, stretchers, blockers, pressers,

ironers, and sewing-machines substituted mechanism for laborious and

slow methods of hand work. At the beginning of the war Eickemeyer was

quick to see the opportunity for turning his factory to other uses, and

vast quantities of revolvers were made there. When that industry

declined, he took up the manufacture of mowing-machines, having invented

a driving mechanism for such machines that met with wide favor. The

introduction of the Bell telephone in Yonkers first turned Eickemeyer's

attention to electricity, and for the last ten years he has devoted

himself almost exclusively to the invention and manufacture of electric

motors. His first successful invention in this field was a dynamo to

furnish light for railroad trains. From this he was led to the invention

of a dynamo capable of doing effective work at much lower speed than

that usually employed, and this has proved to be his most valuable

achievement. Some improvements in winding the armatures have also been

accepted as valuable and adopted by other manufacturers. In connection

with storage batteries Mr. Eickemeyer has also done a good deal of

interesting work. But he is chiefly known to the electrical world as the

inventor of a most useful dynamo for power purposes. For the last forty

years he has been one of the men who have most aided in the growth of

Yonkers, taking great interest in all questions pertaining to its

government and school system. He was married in 1856 to Mary T. Tarbell,

of Dover, Me., and his eldest son, Rudolf Eickemeyer, Jr., is associated

with him in business.

GEORGE WESTINGHOUSE, JR., AND THE AIR-BRAKE.

[Illustration: George Westinghouse, Jr.]

George Westinghouse, Jr., to whom is due the railroad air-brake, and who

was also largely instrumental in revolutionizing Pittsburgh by the

introduction of natural gas, was born at Central Bridge, in Schoharie

County, N.Y., in 1846. His father was a builder and, later,

superintendent of the Schenectady Agricultural Works, and it was in the

shops of these works that the boy found his vocation. Before he was

fifteen he had modelled and built a steam engine. The war took him away

from work in 1864, but when that was over he returned to Schenectady

and, although yet in his teens, he began to attempt improvements upon

every device that presented itself. Sometimes he was successful. Among

one of his first valuable achievements was a steel railroad frog that

resulted in a good deal of money and some reputation. This was in 1868.

While in Pittsburgh making his frogs, which sold well, he one day came

across a newspaper account of the successful use of compressed air in

piercing the Mont Cenis tunnel. His success in the field of railroad

appliances had led him to study the question of better brakes, and the

suggestion of compressed air came to him as a revelation. To stop a

train by the old methods was a matter of much time and a tremendous

expenditure of muscular energy by the brakeman, whose exertions were not

always effective enough to prevent disaster. Westinghouse consulted one

or two friends, who were inclined to ridicule the idea that a rubber

tube strung along under the cars could do better work than the men at

the brakes. Fortunately, he was able to make the experiment, and the

air-brake was speedily recognized as one of the important inventions of

the century.

When petroleum was discovered in the fields near Pittsburgh, some ten

years ago, Mr. Westinghouse was greatly interested, and at once

suggested that perhaps oil might be found near his own home in

Washington County. He decided to test the matter, and planted a derrick

on his own grounds. The drill was started in December, 1883, and at a

depth of 1,560 feet a vein was struck, not of oil, as was anticipated,

but--what had not been counted upon as among the contingencies--of gas.

Gas was not what Westinghouse was after or wanted, but there it was, and

not wishing to let it run to waste, he began to consider what use could

be made of it. Other people who had been boring for oil also struck gas,

which, taking fire, shot up twenty or thirty feet. If such gas could be

made to serve foundry purposes, here was a gigantic power going to

waste. Within three years the business grew to be an immense one. The

company organized by Mr. Westinghouse owned or controlled fifty-six

thousand acres, upon which were one hundred wells and a distributing

plant of four hundred miles of pipes. Notwithstanding the failure of

some of the wells since then, natural gas is an extraordinary boon for

which Pittsburgh has to thank Mr. Westinghouse. Of late years this

inventor's energies have been turned toward electric machinery for

lighting and power, especially as applied to railroad purposes, and a

number of useful devices have resulted. Mr. Westinghouse is still in the

prime of life and is activity personified. He makes his home in

Pittsburgh, and is naturally looked upon as one of its leading spirits.

The field of electric invention is so vast and so actively worked that

one cannot take up a newspaper without finding reference to some new

achievement made possible by this wonderful agent, whose real powers

were unsuspected fifty years ago. Aside from the direct value of these

inventions in promoting the comfort and increasing the wealth of the

country there is another factor to be considered having the most vital

relation to the industries of the country and its powers of production.

The large number of inventions made in these United States implies a

high degree of intelligence and mental activity in the great body of the

people. It indicates trained habits of observation and trained powers of

applying knowledge which has been acquired. It shows an ability to turn

to account the forces of Nature and, train them to the service of man,

such as has been possessed by the laborers of no other country. It

suggests as pertinent the inquiry whether any other country is so well

equipped for competition in production as our own; whether in any other

country the mechanic is so efficient and his labor, therefore, so cheap

as in our own; whether he does not exhibit the seeming paradox of

receiving more for his labor than in any other country, and at the same

time doing more for what he receives.

THE END.

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