Strowger Telephone Exchange
Introduction
The photograph on this page of Strowger Telephone Exchange by Martin Addison as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Martin Addison Taken: Unknown
Racks of Strowger 2-motion selectors. These were in use in Lords Telephone Exchange until the early 1990's when they were finally phased out, replaced by modern equipment. These were in the Tandem unit - see Image for more information about Lords Telephone Exchange.