Product Details

Original vintage U.S. Navy Bureau of Ships technical manual for the Sonar Test Set AN/WQM-4, approved July 15, 1963. Produced by the Daven Division of General Mills in Livingston, New Jersey. Packed with diagrams, wiring schematics, component layouts, repair/service information, and detailed electronics illustrations. A fantastic Cold War-era military electronics reference piece for collectors of naval technology, sonar equipment, military manuals, or vintage engineering documentation.