Sound, General Radio Instruments for its measurement

Sound, General Radio Instruments for its measurement written & published by General Radio Co, Cambridge, MA, No Pub Date. Edition Not Stated. Paperback. Size 4to (up to 12'' tall). Condition: Nr Fine. 12 Pgs. Specifications and price guide for Sound measuring instruments. Type 1551-A Sound-Level Meter and accessories: Vibration Pickup; Control Box; Dynamic Microphone Assembly; Condenser Microphone Assembly; Sound-Level Calibrator; External Power Supply. Type 1555-A Sound-Survey Meter plus Leather carrying case. Type 760-B Sound Analyzer. Type 1550-A Octave-Band Noise Analyzer. Type 761-A Vibration Meter. Type 762-A Vibration Analyzer. Description text copyright 2010 www.BooksForComfort.com. Item ID 20854.