TM 11-330: Switchboards BD-71, BD-72, BD-72-A, and BD-72-B

TM 11-330 Switchboards BD-71, BD-72, BD-72-A, and BD-72-B

TM 11-330

Switchboards BD-71, BD-72, BD-72-A, and BD-72-B

Army · TM · Dec 1944 · 55 pages

About

TECHNICAL SWITCHBOARDS BD-71, BD-72, AJtfD Changes! DEPAETMENT, No. 1 J D. C., December 1944. TM 11-330, 29 October 1943, is changed as follows : 11.1. GENERAL (Added). The outbreak of gas war fare -should not interfere with the continuity of telephone communication. Equip ment has been provided to aid in maintaining telephone communica tion when the gas mask is worn. In the event that gas warfare should break out when such equipment is not available, it will be necessary to resort to emergency measures to maintain telephone communication. It is to be remembered, however, that any suggested procedures which are set up are to be used at the operator's discretion, and if a more satisfactory method of accomplishing the same purpose is available, that method should be used.

DesignationTM 11-330

EditionDec 1944

StatusSuperseded

Pages55

FunctionComms Signal

CollectionHistoric

Public domain (U.S. Government work)

References 6

TM 163Not in the Vault
TM 30Not in the Vault
TM 1Not in the Vault
TM 175Not in the Vault