1946 US Navy QCU/QCU-1 Sonar Echo Ranging Manuals NAVSHIPS WWII RCA

Vintage 1946 U.S. Navy technical manual set covering the Sonar Echo Ranging Equipment, Navy Model QCU/QCU-1, manufactured by RCA Victor Division of the Radio Corporation of America.

Published by the Navy Department, Bureau of Ships, these manuals cover early naval sonar equipment associated with WWII-era antisubmarine warfare technology.

Included Manuals:

• NAVSHIPS 900,740.1 – Installation Handbook, approved January 10, 1946.
• NAVSHIPS 900,740.2 – Operator’s Handbook.
• RCA Victor Division, Camden, New Jersey.
• Original military technical documentation housed in a blue binder.

The manuals feature period naval equipment information and are of interest to collectors of WWII naval history, sonar technology, military electronics, and vintage RCA equipment.

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