10-point 3-level minor switch

Made:
1925
10-point 3-level minor switch, for dialled digit storage (1925)

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10-point 3-level minor switch, for dialled digit storage (1925)
Science Museum Group
© The Board of Trustees of the Science Museum

10-point 3-level minor switch, for dialled digit storage (1925)

Details

Category:
Telecommunications
Object Number:
1970-533
type:
switch
credit:
Plessey Telecommunications