Uniselector Clock
This clock uses telephone exchange uniselectors (stepping switches) to display the time on 6 nixie tubes. The dekatron is part of the 1 pulse per second timing system derived from the mains frequency using vacuum tubes. It's too noisy to run all the time but looks terrific when it's going!
Видео Uniselector Clock канала moelarryshemp
Видео Uniselector Clock канала moelarryshemp
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