Engineer working on the Pescarra Helicopter. ?
Engineer working on the Pescarra Helicopter. Developed by Argentine engineer Raul Pescara in the early 1920s, it had two contra-rotating screws, each having four blades. Ca. 1920s. (CSU_ALPHA_1512) CSU Archives/Everett Collection
Picture No
10671306
Media ID
45231401
Size
3000px x 2292px
(1.9MB)
Credit
Mary Evans / Everett Collection
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Strictly editorial use only. Please contact Mary Evans if any other use required
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Argentine Contra Csu 2012 12 Csualpha Developed Experimental Pescara Propellers Rotating Rotors Screws
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