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Uploaded on:
05/04/2017 13:16
File Size:
471.62 KB
Dimensions:
1000 x 761 pixels
879 views 2 downloads
ID: 7003
Title: Exchange (speaking clock)
Description: Series of photograph believed to be used in telecommunications training.
Size: 471.62 KB; 1000 x 761 pixels; 85 x 64 mm (print at 300 DPI); 265 x 201 mm (screen at 96 DPI);
Orientation: Landscape
Categories: Telefocus - historical images from BT Archives/ People/ Telephone Operators, Telefocus - historical images from BT Archives/ Recorded Services  
BT Archives Finding Number: TCB 543/TS0303
Image Date: c1920s
Search the BT Archives catalogue online: http://www.bt.com/btdigitalarchives