The "1920" model Hart reversible propeller manual and parts list.

Bibliographic Details

Corporate Author:	United States. Army. Air Corps
Format:	Government Document eBook
Language:	English
Published:	Washington : U.S. GPO, 1921.
Series:	Air Service Info. Circ. Aviation No. 239 McCook Field Rpt. Serial No. 1520
Subjects:	Airplanes, Military. Military supplies. Electronic books.
Online Access:	Connect to the full text of this electronic document