This text includes signal regulations and technical information needed by officers and enlisted men of arms other than the Signal Corps engaged in signal communication. It supplements the matter contained in chapter 7, Basic Field Manual, Volume VIII, and prescribes in detail the installation, maintenance, and operation of signal communication agencies which are employed at and forward of brigade headquarters. Chapters include topics on field wire systems, radio, visual signaling, dropped and pick-up airplane messages, message center, orders and instructions for signal communication troops, meteorological information, Signal supply, and a table of radio communication equipment. | Basic Field Manual Vol. Iv by United States Of A Chief Signal Officer, Paperback | Indigo Chapters