Sound and vibration analyser type 1564-A serial no. 629

Sound and vibration analyser type 1564-A serial no. 629, made by the General Radio Company, Concord, Massachusets, USA, for frequency analysis of voltages having components between 2.5Hz and 25Hz, complete with microphone, power cable, and output jack

Details

Category:
Electricity and Magnetism
Object Number:
1989-874
type:
sound analyser
credit:
Imperial College of Science & Technology (Dept. of Mechanical Engineering)