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Avro C.30 Direct-Control Autogiro (British) (1934)

NASA Technical Reports Server (NTRS) · leaf 9

An illustration from Avro C.30 Direct-Control Autogiro (British), 1934, leaf 9
Figs. 4,5 N.A.C.A. Aircraft Circular No. 196

NASA Technical Reports Server (NTRS)

Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.

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