Strowger two-motion selector with vertical mount, 1903-1920

Made:
1903-1920 in Liverpool
maker:
Automatic Telephone Manufacturing Company
Strowger two-motion selector with vertically mounted relays Strowger two-motion selector with vertically mounted relays

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Strowger two-motion selector with vertically mounted relays
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Strowger two-motion selector with vertically mounted relays
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Strowger two-motion selector with vertically mounted relays, less switching banks, made by the Automatic Telephone Manufacturing Company, Liverpool, England, 1903-1920

Strowger two-motion selector with vertically mounted relays, less switching banks, made by the Automatic Telephone Manufacturing Company, Liverpool, 1903-1920.

The earliest type of automatic exchange equipment to gain widespread use was the Strowger or step-by-step design. This Strowger two-motion selector is of the same type as those installed in Epsom in 1912 as part of Britain's first public automatic telephone exchange.

Details

Category:
Telecommunications
Object Number:
1970-541
Materials:
metal (unknown)
Measurements:
overall: 460 mm x 190 mm x 135 mm, 4.64kg
type:
electric switch
credit:
Donated by Plessey Telecommunications