Photo from an inspection trip to the automatic telephone exchange in Björksta (Enköping) in 1913. The switch delivered by AB Autotel Phone and replaced an automatic gear, which in 1904 was delivered by the telecommunications workshop. From left: Engineers Grahn, Betulander and Joel Jansson All from AB Autotel Phone.

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Size: 2685px × 1862px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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