WWII 1945 US Navy Model DAU Radio Direction Finder Manual SHIPS 301 Rev A

WWII-era U.S. Navy technical instruction manual for the Model DAU High Frequency Radio Direction Finder Equipment, Revision A, dated June 1945.
The manual is identified as SHIPS 301 and covers equipment manufactured under Navy Contract NXsr-41007.
This publication is housed in a blue hardcover binder with a handwritten identification label. The photographed pages include a security notice and a detailed record of the June 1945 revisions.
An interesting historical reference for collectors of WWII naval communications, radio direction-finding equipment, and vintage military electronics.

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