3 Vintage WWII US Army Manuals Wavemeter, Oscillator, Coupling Kit

Description

Vintage 1944 Wavemeter Test Set Model An/UPM – 2 Manual
– US Navy Department – Dated October 25, 1944.
Manufactured by The Kalart Company, Stamford CT.
22 pages.
Very good condition.
No rips, tears, stains, or markings.
1945 US Navy Dept Navy Type CN-10563 Coupling Kit Manual
– Dated 18 August 1945.
24 pages.
Very good condition.
There are math figures on the back cover.
Looks like the manual might have been folded in half at some point in its life.
From National Electrical Machine Shops, Inc.
Silver Spring, MD.
No rips, tears, or stains.
1952 Instruction Book for Oscillator VO-3-F Military Manual
– Manufactured by Amplifier Corp. of America.
Dated 4 November 1952.
44 pages.
Very good condition.
No rips, tears, stains, or markings.