Portable subjective noise meter, with carrying strap

Made:
1933 in Manchester
designer:
Metropolitan-Vickers Electrical Company Limited

Portable subjective noise meter, with carrying strap that was removed for display purposes, designed and constructed by Metropolitan Vickers and Co., Manchester, United Kingdom, 1933

Details

Category:
Acoustics
Object Number:
1935-321
type:
meter
credit:
Metropolitan Vickers Electrical Co. Ltd.

Parts

Portable subjective noise meter

Portable subjective noise meter

Object Number:
1935-321 Pt1
type:
meter
Metal spring, from portable subjective noise meter

Metal spring, from portable subjective noise meter

Object Number:
1935-321/3
type:
spring