IV.--Don't try coasting down joggly hills. Get out of your father's

library the copy of Dr. Holmes's poem which tells of the wonderful

"one-hoss shay," which suddenly went completely to pieces one day. What

has happened to a one-horse chaise might very easily happen to a

bicycle, particularly on a joggly hill. Nothing will loosen bolts and

screws more quickly than joggles, and if it should happen some morning

that while you were coasting down a hill full of thank-you-marms your

wheel should suddenly come apart in every bolt and bar, you would go

sailing through the air like a cannon-ball just from the cannon's mouth,

and alighting finally on the ground, while not at all difficult, might

prove painful. Be careful, then, to keep your feet on the pedals while

going down a hill of this character.

V.--Don't try fancy riding until you have studied the art of bicycling

for at least a week. One young man who ignored this rule, and tried to

ride his wheel side-saddle-wise at the end of his third lesson, left a

goodly half of his left ear on the road-side as a result, while a small

youth of our acquaintance, who tried to ride backwards on the afternoon

of his fourth day of study, got into a dispute with a picket-fence,

which tore his clothes, and made the back of his neck look as if seven

hundred mosquitoes had lunched there.

VI.--Don't be absent-minded when riding. One of the rules of good

playing in the game of golf is, "keep your eye on the ball." An equally

good rule in riding your wheel is, "keep your mind on the wheel." The

writer of these hints, while riding in the mountains during his first

year of wheeling, got thinking of something else, and the first thing he

knew, instead of being out wheeling, he was in swimming in a very cold

and wet mountain lake.

VII.--Don't forget the rule of the road. This is a very old rule, but it

cannot be too often repeated. Not more than two weeks ago the writer saw

a young woman out riding on her wheel who had forgotten the rule of the

road, and she was met by another young woman who was absent-minded in

violation of our rule numbered six. They met very forcibly, and the

result was that both of them not only had to buy new wheels, but the

spring bonnets of both of them were irretrievably ruined.

VIII.--Don't mount with a jump, but slip lightly into the saddle. A

gentleman weighing two hundred and twenty-three pounds leaped into the

saddle of his wheel one day not long ago, and as a result the upper bar

was bent into the shape of a hair-pin, the hind wheel was changed in its

shape to that of an oval, and the pneumatic tire of the front wheel

burst with such force that for a moment the gentleman thought somebody

had fired a gun at him.

[Illustration: THE CAMERA CLUB]

Any questions in regard to photograph matters will be willingly

answered by the Editor of this column, and we should be glad to

hear from any of our club who can make helpful suggestions.

TONING OF SILVER PRINTS.

The color of the silver print when it is taken from the printing-frame

is not very pleasing, and if it is fixed in this state it assumes a

yellowish-brown or bricky hue which is quite inartistic. To change this

color to a more agreeable shade it must be subjected to the chemical

treatment called toning--a process which the early photographers called

"coloring."

The theory of toning is that one metal is substituted for another, and

in the toning of silver prints with gold the gold is substituted for the

silver. Silver and gold have a great affinity for each other, and in the

toning of the silver prints the gold is deposited on the print somewhat

after the manner of plating metals.

It is a well-known fact that finely divided gold is of many shades of

color, from a rich red to a deep blue. The combination of the red of the

silver subchloride in the print with the deep blue of the gold gives

beautiful purplish, sepia, and black tones.

The gold for toning is first made into chloride of gold. This chloride

of gold is dissolved in water, and then the solution is rendered neutral

by adding acetate or bicarbonate of soda.

"Gold is reduced to a metallic state from a neutral or alkaline

solution." This toning-bath, therefore, contains a deposit of metallic

gold, which is ready to be precipitated by any reducing agent with which

it may be brought in contact. Now the action of light on the paper

coated with the silver salts has changed the salts into a gold-reducing

agent. When the silver print is placed in the gold toning-bath, this

sub-salts of silver immediately decomposes the gold salt, and attracts

the gold to itself, and it is deposited in a fine powder on the unfixed

print, changing the reddish color to brown or black. The unaltered

silver chloride on the paper--the portion of the print which has not

been exposed to the light--contains no reducing power, so the white

portions of the print remain unchanged.

The chemical action of the alkali on the chloride of gold is to separate

the chlorine from the gold. The alkali unites with the chlorine, and

sets it free from the gold. It forms with the hydrogen in the water a

new chemical combination called sodium-trichlor-acetate and hydrochloric

acid. The former is harmless to the print, but if there is not enough of

the alkali in the solution to neutralize (render harmless) the

hydrochloric acid, or, in other words, to liberate and absorb all the

chlorine, the chlorine immediately reattacks the silver and stops the

action of the gold. The result is a weak flat print. If the prints do

not tone, the bath is too acid, and more of the alkali must be added. In

order to test a bath to find out whether it is neutral, take a piece of

blue litmus-paper and dip it in the bath; if it is acid it will turn the

paper red. Add more of the alkali, until enough has been added to turn

the paper which has been turned red back to its original blue color. A

piece of red litmus-paper when dipped in the toning-bath will turn blue

if the bath is too alkaline, but if the bath is neutral the paper will

remain red.

Every silver print toned with gold contains four parts of silver to one

of gold, the quantity of both being very small. One grain of gold will

tone a sheet of paper.

There is a great deal of waste in the silver used in photography, there

being thirty-three times as much silver used as remains after the

picture is finished.

Silver prints may be toned with platinum, and this method is often used

as a substitute for gold toning, the tones obtained being very pleasing

in color, and quite as permanent as the gold tones.

SIR KNIGHT JOHN H. CHAMBERLAIN, 6 Franklin Avenue, Dayton, O., asks

why films are given a glycerine bath, and if the bath can be

dispensed with; what will remove the spot of glycerine from a

negative caused by the glycerine flowing to the edge and partly

drying. Sir John says he is a regular reader of the Camera Club

column, and would like to form a Chapter, and asks those of our

amateurs who are interested in the plan to please send him their

names. The reason for using a glycerine bath is to prevent the film

from curling when it is dry. The bath can be dispensed with, but

the film rolls up so tightly that it is hard to make it stay flat

while placing it in the printing-frame. Use 1/2 oz. of glycerine to

16 oz. of water, and there will be no trouble with the film being

sticky. A little alcohol applied gently with a soft cloth or brush

will remove the glycerine from the negative.

SIR KNIGHT JAMES MAYNARD, JUN., asks if the bottle containing the

sensitizing-solution for plain salted paper should be wrapped in

non-actinic paper; what camera, lens, plate, and developer Max

Miner used for the picture "Sweeping a Sliding-place"; what is the

price of Whatman's paper. The sensitizing solution should be

wrapped in non-actinic paper, or else kept in a dark place. Max

Miner writes as follows in regard to the picture "Sweeping a

Sliding-place": "The camera which I used is the Universal, made by

the Rochester Optical Co.; the lens is a Morrison R. R., 8-1/2-inch

focus, designed for a 6-1/2 by 8-1/2 plate. The camera was a 5 by

7. The plates which I have always used are made by the Blake

Dry-plate Co., North Adams, Mass. They are rapid, and always give

uniformly good results. I have the best success in developing with

pyro, potash, or soda, though I like the eikonogen two-solution

developer nearly as well. I never have trouble with pyro stains, as

I use an alum bath before fixing. The paper used is lithium, toned

and fixed in a separate bath." A large sheet of Whatman's paper may

be bought for fifteen cents.

SIR KNIGHT JOHN MILLS asks how to make a picture in a pin-hole

camera without using plates--if some kind of paper cannot be used.

The formula for preparing paper for negatives is too long to be

given in the column space devoted to answers to queries. The

process will be described later in the columns of the Camera Club.

If you have access to a public library, consult a cyclopædia of

photography, which will give a formula for making paper negatives.

Try a piece of bromade-paper, making an exposure of about fifteen

seconds, if in a bright sunshine.

SIR KNIGHT HUBBARD MARSH asks what makes the solio prints stick to

the glass when they are squeegeed to it for burnishing; a

preparation for coating the glass for burnishing; and a good

toning-bath. The reason why prints stick to the glass is because

the film is soluble, and is apt to soften in warm weather. A very

glossy surface can be imparted to prints by washing the glass or

ferrotype plate to remove all grease and dirt, then pour on a few

drops of a solution made of 1 oz. of benzine and 10 grs. of

paraffine. Rub dry with a clean cloth and polish with a piece of

chamois or soft cloth. For toning-solution formula see No. 825.

E. H. C. asks if, in photographic contests where no pictures are

accepted under 4 by 5, pictures taken on a 4-by-5 plate, and the

prints trimmed so as to come a little under this size, would be

accepted. Yes, if not trimmed too much.

There is a good story told of the well-known actor Frédéric Lemaitre.

One of his weak points was his pride, and he expected the attachés of

the theatre in which he played to show as great interest in his

performance on the fiftieth night as the audience who were seeing him

for the first time. For some time, to his infinite rage and disgust, one

of the musicians had been in the habit of taking out a newspaper and

perusing its contents during one of his best scenes, when his acting

would hold the audience spellbound. He finally forbade this man to read

his paper during the performance. The musician refused to submit to the

demand, and Lemaitre, when he heard of the refusal, grew mad with rage,

and stormed around in great manner. The offender happened to cross the

stage while Lemaitre was in his bad humor, and the actor, catching sight

of him, cried out, in angry tones:

"You, sir; is it you who has the audacity to read in my great scene,

especially when I have forbidden it?"

"I!" mildly replied the musician. "What a mistake you are making!

Monsieur, you have been misinformed: I am in the habit of going to sleep

during that scene."

* * * * *

SICKNESS AMONG CHILDREN

is prevalent at all seasons of the year, but can be avoided largely when

they are properly cared for. _Infant Health_ is the title of a valuable

pamphlet accessible to all who will send address to the New York

Condensed Milk Company, N. Y. City.--[_Adv._]

* * * * *

If you wish to earn a bicycle the advertisement of W. G. Baker, of

Springfield, Mass., which appears on page 1203, will interest you. His

store in Springfield is noted for the fine teas, spices, and baking

powder which it sends out both by express and freight to all parts of

the United States. A boy by going about among his friends and selling a

mixed order of 75 lbs. can secure a good boy's bicycle, or a woman by

selling 175 lbs. can secure a lady's high-grade wheel. If you feel

interested write for catalogue and full particulars, which will be sent

on application.--[_Adv._]

ADVERTISEMENTS.

Postage Stamps, &c.

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[Illustration: STAMPS]

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who sell from our approval sheets get good premiums.

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STAMPS

=10= stamps and large list =FREE!=

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PLAYS

Dialogues, Speakers for School, Club and Parlor. Catalogue free.

T. S. DENISON, Publisher, Chicago, Ill.

[Illustration: THOMPSON'S EYE WATER]

About Naval Schools.

Bert Cunnington, who lives in Arkansas, Reed Kohl, a New York city

member, and Fred P. Jackson, who lives in a Baltimore suburb, ask about

_St. Mary's_ school-ship and naval apprentices. All get the various

naval schools well confused. That they do so is no great wonder, since

the provisions governing them are new, and have recently been changed.

We will try to make these naval matters clear. In the first place, the

United States Naval Academy, at Annapolis, is a school where men are

trained to become officers in our navy. Indeed, entrance to the academy

is at the same time entrance to our navy--naval cadet, and so on up,

without leaving the United States service at graduation.

Entrance to this academy is had only through members of

Congress--through the member from your district, Mr. Jackson.

Representatives Baker, Rusk, and Cowen represent Baltimore.

Only one cadet from each district may be at the academy at a time. You

must wait for a vacancy. Residents of other districts must address their

member of Congress, or the Secretary of the Navy, Washington, who will

give information about vacancies. The President of the United States has

ten appointments--not annually, but may keep ten cadets at the academy.

These cadetships are usually assigned to sons of naval officers. The

Annapolis Academy was removed to Newport, R. I., for a time during the

civil war. That is why, possibly, you get the naval apprenticeship

school at Newport and the naval academy confused.

Naval apprenticeships have nothing whatever to do with the Annapolis

Academy. They are enlistments for young men above fifteen and not above

eighteen years of age, who may remain in the navy till they are

twenty-one. These boys must have the full consent of parents or

guardians, be of good character--for apprenticeships are not to reform

bad characters--be sound of body, and be able to read and write English.

Having been sworn in, they are sent on board naval vessels, where they

are given the elements of a common-school education and taught naval

seamanship. That is, they knot, splice, hitch, and bend rope; sew

canvas; head, reef, and furl sail; learn the use of the various gear in

standing and running rigging; become acquainted with the terms for the

different parts of the ship; practise military tactics, broadside

exercise, rifle drill; and learn how to fire the great guns, to row, and

to swim.

Apprentices are enlisted as "third-class boys," and receive $9.50 a

month. There is no condition from what part of the United Slates they

come. They receive their board free. Their clothing is provided by the

paymaster of the ship to which they are assigned and charged against

their pay. There is a possible promotion to $11.50 a month. These

apprentices never become line-officers, but may rise only to

warrant-officer, gunner, or boat-swain. Warrant-officers are retired at

sixty-two, as are other officers, and receive thereafter a fair

proportion of their duty pay as an annuity. Apprenticeship recruiting

stations are at New York, Philadelphia, and San Francisco. Address

"Recruiting Station for Naval Apprentices, Navy-yard," and add the city

and State.

Wholly distinct from either of the foregoing are the various

school-ships. These are not owned by the national government, but by

cities, and are under the control of the boards of education. The

_Saratoga_ is located at Philadelphia, and the _St. Mary's_ at New York.

Address "Executive Committee, Nautical School." To join the _St. Mary's_

applicants must be residents of the city of New York. They must also be

of good character, and between sixteen and twenty years of age; $30 is

required as an entrance fee, and a large number of personal necessities,

as clothing, thread, needles, etc. The course covers two years of two

terms each, with two summer cruises. The _St. Mary's_ spends part of the

year at the foot of Twenty-eighth Street, East River, New York, a part

in Long Island Sound, and the cruises are usually to the coast of Europe

and Mediterranean ports.

Rules governing the _Saratoga_ are similar to those governing the _St.

Mary's_. Graduates of these nautical schools look about them for

positions just as do graduates of other schools. The New York Board of

Education say: "The passage of the 'Postal Subsidy Bill,' requiring all

vessels receiving such subsidy to be officered by Americans, and to

carry a cadet for each 1000 tons burden, enables graduates of this

school to obtain a situation upon graduation, where the education

obtained at this school will be of great advantage to them. Graduates of

this school, with few exceptions, are competent to navigate a vessel,

understanding thoroughly dead-reckoning, and how to find the latitude

and longitude by the sun, moon, planets, or stars; they are also taught

the duties of seamen, they have practice in handling a sailing vessel,

in steering, heaving the lead, in handling boats, both under oars and

sails, the rule of the road, and in fact everything that may assist in

their advancement in the profession they have chosen."

* * * * *

A Distinct Difference.

The following story is told of the late Professor S----, the great

teacher of German at the University of Pennsylvania, and a man of much

hard and blunt sense. A man having a son whom he had reared in a most

superficial way called on the professor, whom he knew slightly, and

asked how much it would cost to give his son an education. The

professor, looking intently at the son, who accompanied his father, and

who was attired in uncomfortably big cuffs, high collar, and gave forth

an aroma of up-to-date perfume, blandly observed:

"I can't say. But you can send him through college for about $2000."

* * * * *

Cruel, but Facetious.

When employees are discharged from the service of a firm or company they

generally receive from such employers brief letters stating when

employment is to cease. But the head of a great theatrical concern once

took a quite different course in discharging his actors and singers. His

season had been unprofitable, but he took a little of his remaining

money and paid the way of his entire troupe to West Point. The members

of said troupe were Europeans. After luncheon he arose, and in the

blandest manner possible said:

"Ladies and Gentlemen,--Mark the beauties of America, the greatest,

grandest, and most wonderful country in the world. Behold the noble

Hudson before us; observe these magnificent mountains; consider

everything well. For, by my word, you will never see them again at the

expense of Messrs. Blank and Company."

Of course sorrow closed the day's outing, but the actors and singers had

no alternative than to engage steamer passages to Europe--which they

did.

* * * * *

Through Historic Country on a Bike.

One cool, sunny day in the beginning of this month we took a

fifty-one-mile bicycle trip out of the city. At the start our road

lay along the extreme west of the city, and soon the new Harlem

Ship-canal came into view. We halted on the bridge which spans it

to watch a diver at work--quite a novel sight; then went on toward

Yonkers. Yonkers passed, we took the open road for Dobbs Ferry. At

the latter place we were informed that our road, Broadway, was

first opened in 1844 under the name of Edgar's Lane.

Back of the road, under tall shady trees, stands Washington's

headquarters. A monument in front relates that here the French

allies under Rochambeau first joined our General and his forces;

also that here Washington planned the Yorktown campaign which

successfully terminated the Revolution; and that directly opposite,

on the river, an English sloop fired seventeen guns in honor of

Washington--the first official acknowledgment of our nation on the

part of the mother-country.

From Dobbs Ferry to Irvington the road is lined with handsome

suburban residences, and leads through a pretty bit of country.

Four miles more, and Tarrytown is reached. In Tarrytown we saw a

monument over the spot where Major André was captured in 1780. The

shaft of the monument was dedicated in 1853. One side bears a

relief picture in bronze of the capture; while another side has

carved on it a eulogy of the three brave citizens of Westchester

County who rescued their country from "imminent peril." The

remainder of the stone, which is capped by a heroic figure of a

Revolutionary soldier, was erected in 1880 by the Society of the

Sons of the Revolution.

Directly north of Tarrytown there is a bridge. Crossing it, a sharp

turn of the road brought us to Sleepy Hollow Cemetery. We spent

some time examining the inscriptions on some of the stones. The

lower portion of the cemetery is evidently the oldest, for here

repose the ashes of many who died at the close of the last century

and the beginning of this. Sleepy Hollow lies on a hill. At the

top, in the centre of the family plot, is buried the "American

Goldsmith," whose pen made the region where he now rests famous.

His grave is simplicity itself, the headstone which covers it

bearing merely the inscription, "Washington Irving, born April 3,

1783, died November 28, 1859."

SIMON THEODORE STERN.

NEW YORK CITY.

* * * * *

Questions and Answers.

Music.--The only place to which we can refer you is the United States

Marine Recruiting-office, 109 West Street, New York. That office wants

boys from fourteen to sixteen to learn music. Apply for conditions.

"Gold Fever" asks about gold-prospecting, especially in Alaska. The

occupation has many risks, and only the hardiest of persons, not alone

in body, but in determination and cheerfulness, ought to undertake it.

The Alaskan field is well to the north--in the Yukon country, which is

near the arctic circle. It is cold there. But perhaps the worst

discomfort is mosquitoes. An odd pest for that climate, yes. But they

abound there as they do in few other regions. A recent prospector says,

"When a man goes up one of the creeks he must envelop his head in a

mosquito-frame of cheese-cloth--their bills go through netting like a

knife through tissue-paper--must wear gloves, and tie his trousers and

shirt sleeves closely about his ankles and wrists." Mining is a lottery,

and the young man ought to think not twice only, but a dozen times

before undertaking it.

George J. Smith asks.--"Will you kindly tell me the names of artists who

teach pen-drawing and illustrating? When does the annual contest for

prizes begin?" Many artists take students, if such students possess

native talent. They require students to come to their studios, though

some of them have classes at art-schools. Apply to Irving R. Wiles,

Charles Broughton, or Clifford Carleton. Their addresses may be had in

the directory. Of course they charge for lesson-giving. And we do not

say that these gentlemen will now take pupils. Why not join the classes

at the Art Students' League? Round Table contests are announced, usually

late in October. See one of the issues of this paper for them. It is not

likely there will be an illustration contest unless there proves to be a

good prize story to make a picture for. In almost no other way, save

that of giving all contestants the same thing to illustrate, can

conditions fair to all be made. Full information will be published in

the Table later.

Harper's Round Table, October 6, 1896 · 第 5 / 6 段