Instructions for using cipher device, type M-94.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	[Washington] : GPO, 1922.
Series:	Signal Office Training Pamphlet No. 2
Subjects:	United States. > Army. > Signal Corps. Ciphers. Machinery. Electronic books.
Online Access:	Connect to the full text of this electronic document

Description
Item Description:	Electronic resource.
Physical Description:	1 online resource (12 pages)