Vintage Bruno DT-76/U Military RF Bolometers – Pair

Vintage Bruno DT-76/U Military RF Bolometers – Pair

Pair of vintage DT-76/U radio-frequency bolometers manufactured by Bruno–New York Industries Corp., bearing contract marking AF33(038)-30604. This model was used with military RF power-measuring equipment, including the AN/URM-23 system. 

Both feature gray metal housings, identification plates, electrical connectors, and flanged RF connections. They show scratches, chipped paint, oxidation, and storage wear, with differences in the fittings as pictured. Interesting examples of vintage military test equipment for collectors or restoration projects. Both are untested and offered for parts, restoration, or display; internal completeness and calibration are unverified.