has established itself as a standard of reference in
The book contains 234 pages of just the kind of information you have been looking for on gas engines. It explains their principles of operation their faults and the remedies which apply, how to run them, how to design them and how to make a complete test. All rules and formulas are simple and easily understood by the average mechanic.
"All the most essential information connected with the gas or gasoline engine."—_American Machinist._
"The only practical book of its kind."—_Engineering and Mining Journal._
"Eminently practical in character."—_American Electrician._
"Just the kind of information the buyer and the user of a gas engine wants and finds most difficult to obtain."—_Mines and Minerals._
"It discusses almost every phase of the subject."—_The Engineer._
"All of the essentials of construction and operation are to be found in it."—_The Automobile Review._
The book is published in handy pocket size 3½ × 5½ inches and is handsomely bound in flexible leather.
THE MOST POWERFUL OPEN CIRCUIT CELL MADE.
Highly recommended for all kinds of open circuit work such as telephones, gas engines, bells, auto gas lighting, and for medical outfits. Guaranteed to do all that is claimed for it.
HARRISON BROS. & CO., Incorporated. PHILADELPHIA. CHICAGO. NEW YORK. J. H. LEHMAN, Manager of Electrical Department, 102 Times Building, New York.
Can be purchased in all cities and most towns in the United States of Electric Supply dealers. Price low as worthless dry batteries. We are the largest manufacturers of general electric supplies in this country. Catalogue issued yearly.
COILS, X-RAY TUBES, BATTERIES, OR ANY ELECTRICAL APPARATUS?
Send to our advertisers for their catalogues and prices before buying.
C. F. SPLITDORF, 17-27 Vandewater St., New York
New Standard Oil, Gas and Gasoline Engine Outfit Consisting of ...
New Standard "Autogas" Dry Battery, $5.00
" " Double Porcelain Insulated Ignition Plug, 6.00
If you are interested write for descriptive pamphlet.
WILLIAM ROCHE, Inventor and Sole Mfr., 42 VESEY ST., NEW YORK CITY
We also manufacture other good and useful appliances to be operated with dry cells.
The French Polishers Manual, full directions for polishing by a French Polisher. Paper, 20 cts.