Rack containing a group of original Keith line switches, installed in GPO automatic branch exchange in July 1912
Rack containing a group of original Keith line switches, with the associated master switch, made by Automatic Electric Company, Chicago, USA (from G.P.O. automatic branch exchange installed in July, 1912)
- Object Number:
- G.P.O. (Alder House)
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
Download catalogue entry as json
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.