- President Herbert Hoover standing with Harold Pitcairn and his associates at Collier Trophy ceremony – April 22, 1931
Photograph
CID:
- 153962
Class:
- Digital Image Collection
Publication Date:
- 22 April 1931
Collation:
- 1 black and white image
Subjects:
- Autogiros
- Aircraft - Rotating Wing
Notes:
- (GEN) Image courtesy of Dr. Bruce H. Charnov Ph.D. J.D. FRAeS from the Stephen Pitcairn Collection
Record Type:
- Photograph
Historical Created Date:
- 15 Nov 2021
accsc:
- A
Publication Date Information:
- 22/04/1931