WAR DEPARTMENT Washington, June 15, 1943 This Technical Manual, published by Galvin Manufacturing Corpor tion, is furnished for the information and guidance of all concerne RESTRICTED NOTICE: This document contains information affecting the natior defense of the United States within the meaning of the Espionage Act, 50 U.S.C., 31 and 32, as amended. Its transmission or the reve tion of its contents in any manner to an unauthorized person is prc hibited by law. The information contained in restricted documents will not communicated to the public nor to the press, but it may be commu nicated to any person known to be in the service of the United Stat and to persons of undoubted loyalty and discretion who are co-operat ing in Government work (AR 380-5).
DesignationTM 11-242
EditionOct 1943
StatusSuperseded
Pages193
FunctionComms Signal
CollectionHistoric
Public domain (U.S. Government work)