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J Franklin · 02-05-2019, 12:35 PM

I have cleaned the dial on one of mine that I thought was a goner with WD-40 on a soft rag, used very gently. Don't spray WD-40 on pot metal ever as it will cause old stuff to swell for some reason.

02-05-2019, 12:35 PM	#8
J Franklin Senior Member Join Date: May 2010 Location: Oregon Posts: 5,964	Re: Waltham speedometer question. I have cleaned the dial on one of mine that I thought was a goner with WD-40 on a soft rag, used very gently. Don't spray WD-40 on pot metal ever as it will cause old stuff to swell for some reason.