Falling ball acoustic calibrator
- Made:
- 1980-1990
- maker:
- Dawe Instruments Limited
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Science Museum Group
© The Board of Trustees of the Science Museum
Falling ball acoustic calibrator, by Dawe Instruments Ltd, type 1417A, serial no 5716 (90dB at 10cm), 1980-90.
Details
- Category:
- Environmental Science & Technology
- Object Number:
- 1997-1700
- type:
- acoustic calibrator
- credit:
- Mr. W. Pope
