[time-nuts] New to the group - Have some clocks

[Steve and Jayne McLaughlin]

Hi all,
I'm a retired engineer and clockmaker.  So, I suffer from interests in many technical subjects.  I recently bought a box of HP series 1740 "Clock Displays".
They are marked "good" and seem well packaged.
I cannot find any documentation on how to power these clocks.  I need maybe two for my personal use and 7 left over for whoever needs one.
Please let me know if you have any information on these beautiful clocks.
Thanks
Steve


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