Note on work of Kazimerz Siemienowicz in 1650 pointing out his priority in designing step rocket; illustrations show his design of 3-step rocket, rocket battery, and rockets with delta wings.
Rocket conceptions of K.SIEMIENOWICZ
Brit Interplanetary Soc -- J
British Interplanetary Society -- Journal ; 14 , n 5
1955
3 pages
Article (Journal)
English
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