WWII-era U.S. Navy KY-3/APN-7 Radio Coder unit, marked 115V / 400 to 2400

Original WWII-era U.S. Navy KY-3/APN-7 Radio Coder unit, marked 115V / 400 to 2400 with contract NXsa-39122 and serial no. 1574. Includes original labeled cardboard shipping/storage box dated Sept. 8, 1944 with printed contents label for 1 Coder and 1 Operating Manual. Unit has IN/OUT connectors, standby connector, 115V input, selector dial, carry handles, and black wrinkle-finish case. Shows light age wear, storage wear, and box deterioration. Untested and sold as vintage military radio/radar electronics equipment for display, parts, restoration, or collector use.