The Master clock internals (part). The power from a 12v battery comes in from the hole in the case. The unit on the RHS is the slave unit that moves the hands every 30 seconds. The same pulse has to be sent to the WT unit but I have not yet worked out how this is achieved (6-04-2014)
Uploaded by Tony Martyr on 06/04/2014 19:12:37
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