Tester set No. 89A, 1931

Made:
1931 in United Kingdom
Tester set No. 89A, 1931 Tester set No. 89A, 1931
Photographed on a white background.

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Tester set No. 89A, 1931
Science Museum Group
© The Board of Trustees of the Science Musuem

Tester set No. 89A, 1931 Photographed on a white background.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Tester set No. 89A, 1931

Details

Category:
Telecommunications
Object Number:
Y2003.22.167.3
Measurements:
Overall: 40 mm x 115 mm x 60 mm,
type:
telephone exchange accessory
credit:
Gift of British Telecommunications plc