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Potavi-Thomson Bridge


Potavi-Thomson Bridge
A bakelite box with rounded corners, two large knobs on top and a nice small meter. Still in perfect condition, with proper Test Terminals. It was waiting to be thrown away when some colleagues were tidying up a cupboard, since the device was no longer used. 'The Rx Resistor' we called it, and it was used to measure the values of resistors used in manufacturing gas analysers. Because I found it heartbreaking to see such a magnificent piece of equipment disappear in the skip they let me take it home.
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