WWII US Navy Model LM-15 Crystal Calibrated Frequency Indicating Equipment Manual 1943 TikTok Although the booklet itself was

Although the booklet itself was issued in 1948

making them a true Civil War battlefield piece

The threaded base allows it to be displayed as a standalone piece or paired with a compatible artillery shell for a more complete presentation

Manufacturer: National Firearms Co

WWII US Navy Model LM-15 Crystal Calibrated Frequency Indicating Equipment Manual 1943 TikTok Although the booklet itself wasOriginal 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