Tester No 89A, c.1930

Tester No 89A, c.1930 Tester No 89A, c.1930
Photographed on a white background.

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Science Museum Group
© The Board of Trustees of the Science Museum

Tester No 89A, c.1930 Photographed on a white background.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Tester No 89A, c.1930

Details

Category:
Telecommunications
Object Number:
Y2003.22.167.2
Measurements:
Overall: 40 mm x 60 mm x 120 mm,
type:
telephone exchange accessory
credit:
Gift of British Telecommunications plc