Images:

Aviation

Helicopter designed by George De Bothezat, making descent at McCook Field after remaining airborne for two minutes, 45 seconds.; February 21, 1923; {04.300/02}

George De Bothezat, in suit and light beret, in his shop with workers who are assembling the helicopter he designed.; 1923; {04.300/06}

Hadley-Page airplane "Atlantic" in flight during non-stop trip from New York to Chicago; 1919; {04.400/32}