![](http://www.alamy.com/thumbs/6/085C3BAE-07C4-49D1-87A1-8997795148E4/2F95X56.jpg)
Old fashioned manual telephone exchange switchboard displayed at Science Museum in London
Size: 3624px × 5436px
Location: Exhibition Rd, South Kensington, London
Photo credit: © I-Wei Huang / Alamy / Afripics
License: Royalty Free
Model Released: No
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