The US Army Signal School apprenticeship program for the trade of telegraphic-teletypewriter operator
Contributors: U.S. Army Signal School
Series: DA pam 621 ; 100
Publisher: Dept. of Defense, Dept. of the Army, Headquarters
Published: 1977
Place of publication: [Washington]
Language: eng
Subjects: Military telegraph -- United States; Data transmission systems
Other titles: Apprenticeship program for the trade of telegraphic-teletypewriter operator
Notes: December 1977