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THE WORLD'S HEADQUARTERS FOR

ELECTRIC NOVELTIES AND SUPPLIES

WB ARE SELLING

Toy Electric Railways, *:! to ...» 60.00
Fan Motors; all kinds, all prices; SI to 20.00

Electrical Books, 10c to 5.00

Necktie and Cap Linhts. 75c to . . . 6.00

Battery Table Lamps, »3 to 10,00

Carriage and Bicycle Lights, 93 to . . 6.00
Lanterns and Pocket Lights, 75c to . . 3.00
Battery Motors and Fans, »1 to . . . 12.00
Electric Door Bells, complete, 75c to . 1.50
Telephones, complete, $2.50 and . . . 6.85
Telegraph Outfits, complete, f 1.75 to . 2.50

$8 Medical Batteries 3.95

$12 Electric Belt with Suspensory . . 2.50

Dynamos and Motors, $1 to 1000.00

Gas and Gasoline Engines, S3 to . . . 1400.00
Catalog free Big Catalog 4 C. Want Agents.
WE UNDERSELL ALL.

OHIO ELECTRIC WORKS, Cleveland, Ohio

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10 DAYS FREE TRIAL

We Ship on approval* without a cent

depoift, frelKhl prepaid. DON'T

FAY A CENT if you are not satisfied after mini? the bicycle 10 dayi.

DO MOT Wt^ZLZ^Z

at any price until yoq receive oar lateit art catalogs illurtratinf every kind of bicycle, and hare learned our unheard of price* and man-rlims new offers.

nyc Pput »n" wi" ?°a

Wilt Vtil I write a postal and every, thine will beaentyoa free postpaid by

return mail. You will set much valuable In* formation. I>0 not wait,writoit DOW.

I l KKS, Coaster-Brakes, Built

up-Wheeli and all lundrics at half usual prices.

MEAD CYCL£ CO. Dept. B200 CHICAGO

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Bound Volumes

For the benefit of those desiring back numbers of the Technical World Magazine, we have bound up a limited number of copies—Volume VI — September, 1906, to February, 1907,—mailed, prepaid, to any address upon receipt of $1.25.

Technical World Index

Complete Index of the Technical World Magazine

is now ready, and will be mailed to any address upon receipt of Ten Cents.

Mention Technical World Magazine

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Learn Watch Repairing:

Be a watchmaker—you can learn this profitable
trade by correspondence In a few weeks In your
own home by the DeSelms Chart System. After
vou complete the course you will know a watch
from A to Z. You will know Just what the matter
Is and how to repair one. When you gradu-
ate you will be a practical watchmaker and
repairer and competent to fill any position.
Posl tlons for ou r graduates. Ask forour Free
Book. It explains our system and terms.
The DeSeln. Watch School, 19 Perry 3t.,AUlea, Ind.

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For September

C Get ready now to make Fall business move as you want it. C. Remember that your market is limited to those who know your wares. .'.

C. Let us make the Booklet, Catalogue or Announcement that will catch the eye, then the mind and finally the pocket book of the buyer you are looking for. .'. C We have a reputation for producing printing that "gets there," and when you use it your stamps will not be wasted. C. Let us take this matter up with you at once — by retur n mail — and we will give youi communication such marked attention that it will insure you a future customer of the .".

W. P. DUNN CO.

Printer* : Engravers : Designers, Etc.

167 Adams Street :: Chicago

Printers of TECHNICAL WORLD MAGAZINE

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HMD ""SHOULDERS

OVER HIS FELLOWS

looms the man who has a specialized education. There is more opportunity for the Technical man today than for workers in any other line of industry. There are not enough Technical schools to supply the demand for trained Electricians, Engineers, Architects, Draftsmen, etc. Turn to the "Help Wanted" columns of any daily newspaper and compare the number of clerks, cashiers, book-keepers, stenographers, etc., looking for work with the large number of employers seeking to engage men having technical training.

No matter what your age, location, or present employment may be you can start now to fit yourself for a well paid position of trust and responsibility, where you will be the directing force instead of a mere piece of machinery.

We employ no agents to annoy you with repeated calls at your home or place of business. We talk to you only by mail. The money you pay us is not used to maintain an expensive organization of high priced agents, but is used to give you better instruction at a lower cost.

American School Of Correspondence

CHICAGO, ILL., U. S. A.

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Mention Technical World Magazine

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PATENTS

Secured promptly and with special regard to the legal protection, of the invention.

HAND BOOK FOR. INVENTORS AND MANUFACTURERS SENT FREE UPON REQUEST.

Consultation Free. Bo charge for opinion as to the patentability and Commercial Value of Inventors' Ideas.
HIGHEST REFERENCES FROM PROMINENT MANVFACTVRERS.

C. L. PARKER, Patent Lawyer

Patents, Caveats, Trade Marks, Copyrights, Reports as to Patentability, Validity and Infringement. Patent Suits Conducted In all States. REFERENCES: Globe Machine and Stamping Co., Murray Engineering Co., Morgan Machine and Engineering Co , Berkshire Specialty Co., Stewart Window Shade Co., Macon Shear Co., Acme Canopy Co., Lippencott Pencil Co., Salisbury Tire Association of America, Inventors' and Investors' Corporation, Oakes Manufacturing Co., Cox Implement Co., Columbus Buggy Co., National Index Co , By-Products Co., Alabama Brewing Co., National Offset Co., Antiseptic Supply Co.. Richmond Electric Co., Railway Surface Contact Supplies Co., National Electric Works

Mr. Parker on November 1st, 1903, after having been a member of the Examining Corps of the U. S. Patent Office for over five years, resigned his position as Examiner to take up the practice of patent law.

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PATENTS described, and "WHAT TO

GUARANTEED. PATENTS SECURED OR FEE RETURNED.

Send model or sketch vforfree report as^toJPatentabillty. Send _for_flneet^pabllcations ever

free distribution "HOW TO OBTAIN A PATENT." with 100 MKCHAMCAL described, and "WHAT TO INVENT," combining valuable LIST OF INVENTIONS WANTED

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MUSIC LESSONS FREE

at your_ home. For a limited time we will five free, for advertising purposes, 96 music lessons for beginners or advanced pupils on either Piano, Organ, Banjo, Guitar, Comet, Sight Staffing:, Violin or Mandolin (your expense will only be the cost -f postage and the music you use, which is small). We teach by mail only and guarantee success. Established seven years. Hundreds write: "Wish I had heard of your school before." Write to-day tor booklet, testimonials and free tuition blank. Address: U. 8. SCHOOL OF MUSIC, Box 130G, *«5 Fifth Avenue, M. T.

Mention Technical World Magazine

ENGINEERS, architects, draughtsmen; professional or students; in business activity or during vacation; - all of you need to know about Devoe drawing and sketching supplies

Brushes, colors, canvas, papers, pencils, boards; everything you need is ready for you. We are headquarters in America for such supplies, and most of you know it.

Devoe quality is of the highest type,
always. Be sure you have Devoe.
Write for catalogue. Address
Department C.

Devoe

176 Randolph Street, Chicago
Fulton and William Sts., New York
1 214 Grand Avenue, Kansas City

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Now, that's a personal question.—Are you ashamed to answer it.

Yes, it is, rather humiliating to have to admit that your salary is a small one because the work you do is nothing more nor less than manual labor with no prospect of anything better.

But there is a chance of something better—a way by which you can command and receive a larger salary than you now dream of.

To find out the way, decide the occupation you prefer, fill in the attached coupon and mail it to the International Correspondence Schools— the only institution of its kind in the world, organized with a capital of over 86,000,000 for the sole purpose of advancing poorly paid but ambitious men. The I. C. S. method isso clear and concise, and so simple and easy, that without requiring you to leave home or your present position it will quickly make you a specialist In your chosen line of work. It makes no difference who you are or what you are doing; this is your opportunity to advance—to earn a bigger salary—to become successful. Grasp the opportunity now. Investigation costs nothing.

During: May 447 men voluntarily reported larger salaries and promotions secured through I. C. S. training—positive proof of the willingness and ability of the I. C. S. to help you succeed.

Take the first step by mailing the coupon TO-DAY

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Mention Technical World Magazine

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C By special arrangement with a leading and high standing Accident Insurance Company, we are enabled, for a limited time, to give to everyone subscribing to the TECHNICAL WORLD MAGAZINE, a

$1000.00 ACCIDENT POLICY FREE,

insuring the holder for one year without payment of dues or

assessments of any kind.

C. These policies are very liberal indeed, covering a wide range of hazards and include, in addition to the death indemnity of $1000.00, a weekly indemnity of

FOR SIX W E E K S ,

should the assured be disabled for that period, in any manner described in his policy. C. This is an opportunity for you and everyone of your friends,— it will bring the satisfaction which comes with the knowledge that you are protected in case you meet with mishap. C Mail your order for one year's subscription to-day (subscription price $1.50) as the number of policies to be distributed in this manner is limited. Miniature sample copy will be sent upon request.

TECHNICAL WORLD MAGAZINE

CHICAGO, U. S. A.

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