Picture Telegraphy at the
Central Telegraph Office (UK)

Click on any picture for an enlarged view - Click here for an article on the Siemens-Karolus apparatus
This is Siemens-Karolus apparatus installed at the CTO.
It connected London to Berlin originally, it was extended later to Frankfurt and Copenhagen

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Darkroom - 1948
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Darkroom - 1948
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Developing a negative - 1948
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Developing anegative - 1948
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Transmission equipment - 1948
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Mounting the negative onto the drum - 1935
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Mounting the drum - 1948
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Drying a negative - 1935
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Inspecting negative - 1948
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Mounting a negative - 1948
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Power switchboard, Sending Machine and Control Rack - 1929
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Power switchboard - 1935
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Sending a picture on a Seimens machine - 1935
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Synchronising oscilator - 1948
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Photo Cell & Grid Bias Batteries - 1929
 
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Last revised: January 06, 2024

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