Fixing the Unfixable: How I Replaced a Vintage Dial Indicator Crystal
A dial indicator is an essential tool for any machinist, used for precision tests of concentricity, parallelism, and flatness. My old Teclock indicator has been a trusted companion in my workshop for years. But over time, its crystal face became covered in scratches and scuffs. It wasn’t unusable, but the hazy, blurry view of the…