Boy's Second Book Of Inventions
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| Google books | books.google.com |
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| Originally published | 1903 |
| Authors | Ray Stannard Baker |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1233916 |
About Boy's Second Book Of Inventions
Discusses the development of such inventions as the seismograph, solar motor, wireless telegraphy, steerable balloons, and the discovery and applications of radium.