WWII US Navy Model LM-15 Crystal Calibrated Frequency Indicating Equipment Manual 1943

Original 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 equipment Serial Numbers 1605–2967 and 6726–7725.

The inside cover bears an original Hoffman Radio Corporation, successor to Mission Bell Radio Manufacturing Co., Inc. stamp, adding historical interest and provenance.

An excellent original reference for collectors of WWII Navy electronics, aviation communications, radio calibration equipment, and military technical manuals.

Included

• Original NAVAER Handbook
• Model LM-15 Crystal Calibrated Frequency Indicating Equipment
• Original cardstock covers

Features

• Title: Handbook of Operating and Maintenance Instructions for Model LM-15
• Equipment: Crystal Calibrated Frequency Indicating Equipment
• Manual Number: NAVAER 08-5Q-48
• Date: 1 November 1943
• Classification: Restricted – For Official Use Only
• Issued by: U.S. Navy Bureau of Aeronautics (NAVAER)
• Covers operation, maintenance, troubleshooting, and servicing
• Applies to Serial Numbers 1605–2967 and 6726–7725
• Original Hoffman Radio Corporation inspection/distribution stamp

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