Strowger pre-2000 type group selector, 1920-1926

1920-1926 in Liverpool

Strowger pre-2000 type group selector with line banks, mounted on stand, made by the Automatic Telephone Manufacturing Company, Liverpool, England, 1920-1926.

The various early designs and makes of Strowger or step-by-step selector used by the British Post Office were superseded in the 1930s by a standard design known as the '2000-type'. All previous versions became known as 'pre-2000'. This is a group selector, used for the early stages of a dialled call.

On display

Science Museum: Information Age Gallery: Exchange

If you are visiting to see this object, please contact us in advance to make sure that it will be on display.


Object Number:
electric switch
  • component - object
Donated by the Automatic Telephone Manufacturing Company

Cite this page


We encourage the use and reuse of our collection data.

Data in the title, made, maker and details fields are released under Creative Commons Zero

Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Using our data


Download catalogue entry as json

View manifest in IIIF viewer

Add to Animal Crossing Art Generator

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.