WWII 1943 U.S. Army Signal Corps Installation Manual BC-1239-A Receiver Indicator Confidential

Original WWII-era Installation Manual for Receiver-Indicator BC-1239-A and Associated Equipment, covering Kits B70-C1 and D71-C1.

Dated 1 December 1943 and prepared by the Fort Monmouth Signal Corps Publications Agency. The title page is prominently marked “CONFIDENTIAL,” making this a particularly interesting wartime technical publication.

The plain cover is hand-marked “B.C. 1239A” and shows evidence of an old removed label. Binding appears to be a period cloth-tape style. This type of specialized wartime electronics/radar-related Signal Corps documentation is considerably less common than standard field manuals.

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