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Uploaded on:
05/04/2017 13:13
File Size:
617.48 KB
Dimensions:
1000 x 872 pixels
552 views 5 downloads
ID: 6931
Title: Speaking clock. Close up of disc and cam mechanism
Description: Photograph from the Lantern slides series of various telecommunications subjects.
Size: 617.48 KB; 1000 x 872 pixels; 85 x 74 mm (print at 300 DPI); 265 x 231 mm (screen at 96 DPI);
Orientation: Landscape
Categories: Telefocus - historical images from BT Archives/ Recorded Services  
BT Archives Finding Number: TCB 538/AA020
Image Date: c1936
Search the BT Archives catalogue online: http://www.bt.com/btdigitalarchives