PRD Electronics Type 650-B Universal Power Bridge Operating Instruction 1961

PRD Type 812 Universal Klystron Power Supply Operating Instructions 1961

PRD Electronics Type 6690-A Peak Power Meter Operating Instructions 1972

MB Electronics Model M3 Vibration Meter Operating & Maintenance Instructions

PRD Electronics Type 965 Electronic Counter Operating Instructions 1964

PRD Electronics Type 670 Series Calorimeters Operating Instructions 1962

PRD Electronics Type X712-A Signal Sources Operating Instructions 1964

PRD Types 219, 219-H, 219-L Standing Wave Detectors Operating Instructions 1960