Divider
Clockmaker's tool, Hancock, MA
Description
Circular brass plate for a dividing engine. The plate has nine concentric circles scribed on one face in total 1 3/4" w. At the center of the plate is a through-hole 1/2" in diameter with three through-holes 3/16" in diameter in a triangular formation around the central through-hole. Reverse side of plate is not polished.