“Pitcairn P-19 Autogiro was the largest American autogiro built. Five were constructed but it failed to find a market due to the Depression” (via)
Thursday, February 23, 2012
“Pitcairn P-19 Autogiro was the largest American autogiro...
“Pitcairn P-19 Autogiro was the largest American autogiro...:
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