Original WWII-era U.S. Army Signal Corps Modulator Unit BC-748-A

Original WWII-era U.S. Army Signal Corps Modulator Unit BC-748-A, made by Western Electric. The brass data plate identifies it as Modulator Unit BC-748-A, Signal Corps U.S. Army, Order No. 2901-NY-42, indicating wartime 1942 contract production.

This is a heavy military electronics/radar transmitter component with front panel controls and connections for plate current, trans plate & priming grid current, pulse, priming pulse width, panel control, and transmitter connection. The unit retains its original black wrinkle-finish metal case, side handles, warning high-voltage plate, connectors, reset button, and control markings.

A solid display, restoration, or parts piece for collectors of WWII Signal Corps radar, transmitter, Western Electric, and military communications equipment.

Condition: Vintage surplus condition. Untested and sold as-is. Exterior shows age, scratches, paint wear, oxidation on connectors, and storage wear. High-voltage warning present; should only be serviced or powered by qualified personnel.