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Old 10th May 2021, 5:17 pm   #4
els1967
Pentode
 
Join Date: Aug 2016
Location: Dunstable, Bedfordshire, UK.
Posts: 110
Default Re: Mains transformer wanted

Ah soz not sure. It's only needed to ring the bells on a few series 300 GPO phones, so not much I would imagine.
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