The Early Days of the Parachute...
The parachute, an innovation that has saved so man... ...attached to the pilot by a harness. He dubbed the invention the RK-1 (Russian Kotelnikov 1). The RK-1 was att... ...the Russian military resisted using Kotelnikov's invention , because they thought it would encourage pilots t...
http://www.neatorama.com/2013/03/08/The-Early-Days-of-the-Parachute/



