Army arithmetic.

Bibliographic Details
Corporate Author: United States. War Department
Format: Book
Language:English
Published: [Washington] : [U.S. Govt. print. off], [1943]
Series:War Department technical manual ; TM21-510.
Subjects:
Description
Item Description:Cover title.
"May 14, 1943."
Physical Description:48 pages : illustrations ; 29 cm.