Welcome! / Forums / General Woodworking Discussions / Tools and Tool Maintenance/Restoration / Advice on restore a cast steel marking gauge / Reply To: Advice on restore a cast steel marking gauge
Im not sure if there ever was a Video but theres plenty of blog posts like this one that mention the piano wire, just use the search. https://paulsellers.com/2015/10/old-combination-gauges-worth-repairing/