Rounding-Up Tool Exploratory Group

Yesterday we convened the first ever meeting of the the NYC Rounding-Up Tool Exploratory Group. I say "Exploratory Group" because none of the three of us had any idea how to use this tool and there's not a lot of folks around to ask so, as is necessary with many watchmaking tools and operations, we decided to just figure it out. A rounding-up tool (or topping tool if you're British) is a tool for cutting or reshaping the teeth of watch wheels.  As far as I can tell It was used primarily in the Read more [...]