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Vintage Test Gear and Workshop Equipment For discussions about vintage test gear and workshop equipment such as coil winders. |
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23rd May 2019, 11:40 am | #21 |
Heptode
Join Date: Jan 2008
Location: Sheffield, South Yorkshire, UK.
Posts: 656
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Re: Old pocket watch meter
It could be A for accumulator and B for battery.
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Martin BVWS member GQRP Club |