A Parachute Bomb for Aeronautic Use, Using a Frog's Leg as Wireless Telegraph Receiver, Horse-power and Kilowatt, and more

1912 ◽  
Vol 107 (20) ◽  
pp. 422-422
1907 ◽  
Vol 64 (1650supp) ◽  
pp. 101-101
Author(s):  
Augustus B. Tripp

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