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"pedalled" - 1 õppematerjal

Vene teadlaste avastused
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Vene teadlaste avastused.

, , , - ( ). ( 1792 1799) , . 1769 30 . , , . 1772 300- . , . , . -- - , , , . , , . , , -- . XVIII , . , . . . , , . , , , . , . 1 , 70- , . 12 . . In Russia, in the 1780s, Ivan Kulibin developed a human-pedalled, three-wheeled carriage with modern features such as a flywheel, brake, gear box, and bearings; however, it was not developed further Ivan Petrovich Kulibin (April 21, 1735 - August 11, 1818) was a Russian mechanic and inventor. He was born in Nizhny Novgorod in the family of a trader. From childhood, Kulibin displayed an interest in constructing mechanical tools. Soon, clock mechanisms became a special interest of his. During 1764-1767 he built an egg-shaped clock, containing a complex

Keeled → Vene keel
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