The oil groove chisel, [Figs. 2169] and [2170], should be wider at the cutting edge than at a for reasons already stated, and of less curvature than the bore of the brass or bearing it is to cut the oil groove in.
The oil groove chisel, [Figs. 2169] and [2170], should be wider at the cutting edge than at a for reasons already stated, and of less curvature than the bore of the brass or bearing it is to cut the oil groove in.