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Old 8th Dec 2019, 1:04 pm   #38
paulsherwin
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Join Date: Jun 2003
Location: Oxford, UK
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Default Re: Damaged vintage variac

WD40 is better than nothing (it is mostly white spirit) but a proper dismantling fluid like Plus-Gas will be much more effective. You only need a tiny amount, so a can will last for many years.
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