Browning machine gun caliber .30, HB, M1919A4 (mounted in combat vehicles).

Bibliographic Details
Corporate Author:	United States. War Department
Format:	Book
Language:	English
Published:	Washington : U.S. Govt. Printing Office, 1942.
Series:	Field manual ; FM23-50
Subjects:	United States. > Army > Handbooks, manuals, etc.

Description
Item Description:	At head of title: basic field manual. "Changes number 1-2 1942" attached.
Physical Description:	iii, 176 pages : illustrations, diagrams ; 18 cm.