... that the Budd BB-1 Pioneer, built in 1931 by the Philadelphia-based Edward G. Budd Manufacturing Co. and now on display outside the Franklin Institute, was the first American airplane constructed of stainless steel?
... that the Budd BB-1 Pioneer, built in 1931 by the Philadelphia-based Edward G. Budd Manufacturing Co. and now on display outside the Franklin Institute, was the first American airplane constructed of stainless steel?