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Music TUFTS COLLEGE Lessons Free
Civil, Mecbanical, Electrical
and Chemical Engineering New Laboratories and Excellent Equipment. Beautiful site within four miles of Boston. Preparatory Department for students who have had engineering practice, but insufficient preparation for college work.
For information concerning courses and positions of graduates, address
H. G. CHASE, Secretary,
Tufts College P. O., Mass.
The University of Rochester
IN YOUR OWN HOME A wonderful offer to every lover of music, whether a beginner or an advanced player.
Ninety-six lessons (or a less number if you desire) for either Piano, Organ, Violin, Guitar, Banjo, Cornet or Mandolin will be given free to make our home study courses for these instruments known in your locality. You will get one lesson weekly, and your only expense during the time you take the lessons will be the cost of postage and the music you use, which is small. Write at once. It will mean much to you to get our free booklet. It will place you under no obligation whatever to us if you never write again. You and your friends should know of this work. Hundreds of our pupils write: "Wish I had known of your school before." "Have learned more in one term in my home with your weekly lessons than in three terms with private teachers, and at a great deal less expense." "Everything is so thorough and complete." "The lessons are marvels of simplicity, and my 11-year-old boy has not had the least trouble to learn." One minister writes: “As each succeeding lesson comes I am more and more fully persuaded I made no mistake in becoming your pupil."
We have been established seven years—have hundreds of pupils from eight years of age to seventy. Don't say you cannot learn music till you send for our free booklet and tuition offer. It will be sent by return mail free. Address U. S. SCHOOL OF MUSIC, Box 130 B, 19 Union Square, New York City.
I Will Make You
Unusual opportunity for men without capital
EDWIN R. MARDEN. Pres't. NATIONAL CO-OPERATIVE REALITY CO., 321 Athenaeum Bldg., CHICAGO.
A SCHOOL OF
Iconloraminations provided for. Send for a Catalogue
DATCI Learn Watchmaking HÔME
Learned by anyone at home. Small cost.
Send 2-cent stamp for particulars and proof. 0. A. SMITH, Box R, 2040 Knoxville Ave., PEORIA, ILL.
LEARN SCIENTIFIC BUSINESS LETTER-WRITING
We will teach you by mail to write the kind of letters that will build up business to tremendous proportions; commands high salary. We will criticise your letter of Inquiry free, if you write for our large prospectus PAGE.DAVIS SCHOOL
Of Business-Letter Writing
ELECTRICIANS Students desiring to fit themselves for entrance to resident engineering colleges should fill out and send this advertisement to us to-day and receive our 200 page handbook (FREE) describing our College Preparatory course and over 60 others, including Electrical, Mechanical
, Steam and Civil Engineering, Heating, Ventilation and Plumbing, Architecture, Structural Drafting, Mechanical Drawing, Telephony, Telegraphy, Textiles, Etc. American School of Correspondence, Millado Name
AS LINCOLN DID. Law School
Series , just completed, prepares am-
Cover Design by FRANK B. Swick.
World's Largest Central Station. By
A Power Plant. Poem. By HARRIET
“Which Branch of Engineering Shall
Frontispiece. Marshall Field of Chi-
I Take Up?” No. IV. Electrical
cago. Accompanying biographical
Engineering. Interview with E. B.
Ellicott, Chief Electrician, Chicago
Million Lives at Stake. By BROUGH-
Sanitary District. By John L. RAY 63
Rice-Growing in Burmah. By Wil-
Deadly New Weapon for Navy. By
Great Canals and Their Builders. II.
Electric Thawing of Water Pipes. By
No Waiters; No Tips; No Delays;
Making a Concrete Island. By Liv-
Story of the Milling Industry, By S.
Producer Gas Plants. By Lionel S.
New Things Done by Railroads. By Chalk Talks. No. XXV. Screw-
GEORGE R. METCALFE, M. E... 33
Threads. By Carl S. Dow, S. B. 80
Save Lives and Property by Wireless.
Making a Machinist. By William
Salt Industry of California. By J.
The Railroad as Surgeon. By Fritz
Course in Sloyd for Boys. Fourth
Lesson. Cutting Board. By Har-
graphical Sketch. By John ROGERS 58 RIS C. Trow, B. S..
THE TECHNICAL WORLD MAGAZINE is a monthly magazine, published the fifteenth
of each month, preceding date, devoted to the problems of the technical and industrial world, and a
treatment of all matters of interest in Applied Science.
PRICE: The subscription price is $1.00 per year, payable in advance; single copies, 10 cents.
HOW TO REMIT: Subscriptions should be sent by draft on Chicago, express order, or Post
THE EDITORS invite the submission of photographs and articles on subjects of modern en-
gineering, scientific, and popular interest. Al contributions will be carefully considered, and prompt
decision rendered. Payment will be made on acceptance. Unaccepted material will be returned if
DowNairs with the
the magazine's life, beginning with the March issue, may see it triple in circulation and influence.”
you keep on that way,” said the H. I. E., tauntingly, “you'll some day have a hundred thousand subscribers."
He turned to go, but the C.M., now thoroughly aroused, sprang to his feet and seized the H. I. E. by the sleeve. “Soon have a hundred thousand,” he
hissed. “Sit down here, and I'll show AS THE Human you something.”
Interest Editor He pulled out a thick book from his came in late this morning, he
desk and opened it emphatically. was halted by a resounding rap
“There,” he said, “are the names and on the glass door behind which sits the addresses of 26,154 new subscribers, Circulation Manager.
added to our list during the past few The C. M. pointed proudly, and in months, and largely during the month silence, to a tall mountain of mail of December. Our news-stand sales which rose from the broad table-land have increased about 38 per cent during of his desk. The snowy white- the past three months.
the past three months. At this very ness of the mountain was minute we are circulating 102,000 fecked and spotted to its sum- copies.”
mit by bits of darker color. "H’m,” echoed the H. I. E., “that's "The long green seems to grow even pretty good, but how do they stick above the timber line on this mountain after you get them?” of yours," said the H. I. E., jestingly. “Stick,” exclaimed the C. M., “they “Are you starting a national bank, or stick like flies to a mucilage pot. Tech
merely selling tickets in a nical World subscribers are permanent, lottery?”
Mr. H. I.E. A man can fill the place “That,” answered the C.M. of any fiction magazine by substituting seriously, “is a little birthday any one of a dozen others, but there is present to the magazine from nothing which covers our field.” 827 of its friends, received “Listen to this a minute.” The C.
in a single mail. Each sends M. pulled from the pile on his desk a in a dollar for a twelve months' subscrip- couple of letters. “Here's one on the tion, and hopes that the third year of letter-head of an attorney,” he said:
"I'm not an engineer, but I certainly would steel trust saves a million dollars a year not be without your magazine. I have read
out of the sale of a by-product which it from the first issue, and shall read it till the last. “Enclosed remittance covers my subscrip
used to be thrown away, has just come in. tion for the next five years. If we both are
“And I've got a most important arin existence at that time, I shall renew for
ticle about the use of the new singlefive more.”
phase motor with the alternating curThe C. M. read the next letter, which rent in the place of the railroad lococame from the study of an eminent and motive," put in the Technical Editor. rather humorous pastor:
“Sounds like pretty hard reading to “I prefer that my son should decorate and
me,” said the H. I. É. upbuild the interior of his head rather than
“No,” declared the editorial Ph. D., adorn its exterior with a new hat. The en
“ I've read it and it's really fascinating. closed dollar he has taken from his hat fund,' The thing's so extremely important, and the hat can wait till later."
too, that no intelligent person can afford “Well, that's certainly encouraging,” to miss it.” said the H.I.E., lamely.
“Have you heard anything from the “Encouraging,” snorted the C: M., Key West Railroad story?” asked the "I should think it was encouraging. If H. I. Editor. I were the editor of a magazine which “Yes. Clark writes it'll probably be had as many good friends as the Tech- ready for April,” said the Doctor. nical World, I'd work night and day to “Think of it—a railroad that starts prove that I appreciated their friendship.” from the mainland and goes out into the
Just then the office boy interrupted, ocean, jumping from island to island ’till coming in with an armful of fresh mail. it strikes Key West. It'll be a great
"Here's a few hundred more new sub- yarn. And here's the greatest authority scribers," said the C.M., smiling. “Now on water_power in the country says you go upstairs and see about getting Niagara Falls is already ruined! That out the best magazine that ever hap- may even stir Congress to action.” pened.”
“We can't get them all in,” broke Upstairs the Human Interest Editor out the H. I. E. found his colleagues in conference. “Well, we'll fill up 120 pages with
"Here's an embarrassment of riches," the best of it,” said the Ph. D. “It will began the editorial Doctor of Philos- surely make a magazine that people wih ophy. “That story about how the be keen to read.'
Mention Technical World Magazine