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Tandem Switching Centre Switchboard room - Supervisors desk to the right
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Tandem Switching Centre Switchboard room - with Supersivors in observation positions
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Tandem Switching Centre Switchboard room - Switchboard suite curves 90 degrees
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Switchboard positions
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Switchboard positions - closeup
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Switchboard Positions
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Tandem Switching Centre Equipment Room - Keysender rack
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Tandem Switching Centre - Linefinder / Final Selector racks - this site had 7855 extensions
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Tandem Switching Centre Exchage Line Relay sets - this site had 733 exchange lines and 336 inter-switchboard lines
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Tandem Switching Centre - Test Desk and Distribution Frame
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Tandem Switching Centre - Test Desk and Distribution Frame
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Tandem Switching Centre - Engineer using Test Desk
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Tandem Switching Centre - Engineer using Test Desk
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