History
Forum 66 - Phoenix, AZ 2010
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Engineering Analysis of Nicolas Florine's Helicopters (1926-1938) Regular Price: $30.00 Member price: $15.00
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Weir Autogiros and Helicopters Regular Price: $30.00 Member price: $15.00
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Rotor Without Reaction Torque - Historical Review of H.G. Küssner's Rotorcraft Research Regular Price: $30.00 Member price: $15.00
