Replacing a Broken Vial & Calibrating a Starrett No. 98 Machinist Level

How to replace a Broken Vial & calibrate a Starrett No. 98 Machinist Level. Support VintageMachinery.org on Patreon:   / vintagemachinery   Make a one time donation to VintageMachinery via PayPal: https://www.paypal.me/VintageMachinery Please Visit: http://www.vintagemachinery.org Sponsored by: American Rotary Phase Converters https://www.americanrotary.com/?sld=k... Use checkout code "Vintage10" for a 10% discount on all AD, ADX and AI converters! Hot Shot Heat Treat Ovens https://www.hotshotovens.com?sca_ref=... Use checkout code "VINTAGE10" for a 10% discount!