Audio frequency spectrometer type 2112 serial no. 107346

Made:
1960-1979 in Copenhagen
maker:
Brüel & Kjær (Sound and Vibration Measurement) A/S

Audio frequency spectrometer type 2112 serial no. 107346, made in Denmark by Bruel & Kjaer, Copenhagen, range 22Hz to 45kHz

Details

Category:
Acoustics
Object Number:
1992-846
type:
audio frequency spectrometer
credit:
Civil Aviation Authority. Chief Scientist