U.S.A.A.F. ANB-M-C1 Microphone
Comprises the carbon microphone, rubber covered loom and 2-pin PL-261 plug. This type of microphone was used in the A-10 and A-14 oxygen mask when throat-microphones were not being used. Presumed to be in mint condition - still sealed in the original box of issue. Dated Dec. 1944. Stock code O15592.