The author knows these subjects from a practical standpoint. Each book is printed from new plates on a good quality of paper and bound in cloth. Each book wrapped in a jacket printed in colors.
Price 60c each
| 1. Boy Inventors’ Wireless Triumph |
| 2. Boy Inventors’ and the Vanishing Sun |
| 3. Boy Inventors’ Diving Torpedo Set |
| 4. Boy Inventors’ Flying Ship |
| 5. Boy Inventors’ Electric Ship |
| 6. Boy Inventors’ Radio Telephone |
The “How-to-do-it” Books
These books teach the use of tools; how to sharpen them; to design and layout work. Printed from new plates and bound in cloth. Profusely illustrated. Each book is wrapped in a printed jacket.
Price $1.00 each
| 1. Carpentry for Boys |
| 2. Electricity for Boys |
| 3. Practical Mechanics for Boys |
For Sale by all Book-sellers, or sent postpaid on receipt of the above price
M · A · DONOHUE · & · COMPANY