WWII 1943 US Navy Model BM-1 Radio Equipment Installation Manual NAVSHIPS 900,240-1B

Original WWII-era U.S. Navy Department, Bureau of Ships installation instruction manual for Model BM-1 Radio Equipment, dated April 12, 1943.

The manual is identified as NAVSHIPS 900,240-1B and was manufactured for the Navy by Hazeltine Electronics Corporation, New York, New York, under contract NXss-27,171.

The front cover and title page are prominently marked “RESTRICTED,” reflecting the manual’s original wartime security classification. The introductory notice states that the publication was intended for authorized personnel involved with Navy radio, radar, underwater sound, and related equipment.

A scarce WWII naval electronics publication with strong appeal to collectors of U.S. Navy radio equipment, radar history, Hazeltine electronics, and wartime technical manuals.

Details:

• Date: April 12, 1943
• Equipment: Model BM-1 Radio Equipment
• Manual: NAVSHIPS 900,240-1B
• Manufacturer: Hazeltine Electronics Corporation
• Issued for: U.S. Navy Department – Bureau of Ships
• Wartime marking: RESTRICTED
• Three-hole punched format
• Original yellow covers
• Shows normal age, handling, edge wear and light spotting consistent with an 80+ year-old technical publication

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