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Old 14th Apr 2021, 9:01 am   #2
Rubberfingers
Pentode
 
Join Date: Oct 2012
Location: Dorset, UK.
Posts: 240
Default Re: Smiths Sectric Model

See here.
http://www.electric-clocks.co.uk/smi...ck%20guide.htm
and here.
http://www.electric-clocks.co.uk/smiths/index.htm
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