| New Standard | "Autogas" Dry Battery, | $5.00 |
| " " | Jump Spark Coil, | 12.00 |
| " " | Insulated Cam-Contact Key, | 3.50 |
| " " | 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.
GOOD BOOKS
The French Polishers Manual, full directions for polishing by a French Polisher. Paper, - 20 cts.
The A. B. C. of Dynamo Design, by Alfred H. Avery, with drawings and illustrations. 12mo, cloth, - 40 cts.
Electric Batteries, How to make and Use Them, by P. Marshall. 12mo, illustrated. Paper, - 25 cts.
Metal Turning. Practical lessons in Metal Turning. A handbook for young engineers and amateurs, by P. Marshall. Fully illustrated, cloth, - 80 cts.