50 Horsepower Hirth Counter Rotating Propeller Drive and Frangible Blades, 2001 December 17
File — Box: 24, Folder: 9
Dates
- Creation: 2001 December 17
General Note
Contains 16 color images.
Repository Details
Part of the Science History Institute Archives Repository
Contact:
315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org
315 Chestnut Street
Philadelphia PA 19106 United States
215.873.8265
215.873.5265 (Fax)
reference@sciencehistory.org