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Old 2nd Aug 2021, 6:30 pm   #9
Hartley118
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Join Date: Aug 2015
Location: Cambridge, Cambs. UK.
Posts: 2,198
Default Re: Coughtrie light, stuck glass!

A careful application of sodium hydroxide drain cleaner into the screw thread will start to dissolve the aluminium surface that’s proving obstinate. Eventually it’s got to let go.

But obviously be sure to rinse it thoroughly afterwards.

Martin
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