WWII US Navy Model LM-15 Crystal Calibrated Frequency Indicating Equipment Manual 1943 TikTok including light fraying at the

including light fraying at the edges and minor discoloration

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Carbon steel blade

making them a true Civil War battlefield piece

and early twentieth-century commercial paperwork

WWII US Navy Model LM-15 Crystal Calibrated Frequency Indicating Equipment Manual 1943 TikTok including light fraying at theOriginal U. S. Navy Bureau of Aeronautics (NAVAER) Handbook of Operating and Maintenance Instructions for the Model LM 15 Crystal Calibrated Frequency Indicating Equipment. Issued 1 November 1943, this original WWII technical manual is marked RESTRICTED For Official Use Only and covers the operation, maintenance, and servicing of the LM 15 frequency calibration equipment used by the U. S. Navy and Allied forces. The cover specifies applicability to