FM 24-5 (W/ CHANGES 1, 2, & 3), BASIC FIELD MANUAL: SIGNAL COMMUNICATION (19-OCT-1942)

FM 24-5 (W/ CHANGES 1, 2, & 3), BASIC FIELD MANUAL: SIGNAL COMMUNICATION (19-OCT-1942)., NOTE.-This is not a revision. This manual contains only C 1, 31 July 1943, C 2, 30 August 1913, and C 3, 20 September 1943, to the 19 October 1942 edition placed at the back following the original text, and will not be issued to individualis possessing that edition. The scope of this manual includes the methods and technique relating to the installation, operation, main- tenance of, and planning for signal communication with spe- cial emphasis on such systems employed within the division and smaller units.