Library telecommunications directory | Libros

The US Army Signal School apprenticeship program for the trade of photographer, motion picture

United States Department of the Army

1977

The U.S. Army Signal School apprenticeship program for the trade of automatic equipment technician

United States Department of the Army

1977

Introduction to telegraph engineering

Josef Lehnert

1969

Library telecommunications directory

Warren E. Stewart

1968

Data communications

United States. Air Traffic Service.

1979

Fernschreibtechnik

Harry Springer

1974

RTTY from A to Z

Durward J. Tucker

1970

Office automation links to telex and teletex

M. C. Parfett

1987