Caliper-gauge. A gauge in the form of a solid caliper.

Calipers. A hinged tool for measuring work.

Cam. A revolving disc whose actuating surface is not a true circle.

Cam-motor. A cam together with the rod it actuates.

Cap. The plate or upper part of a bearing that holds the top half of the box or brasses in place.

Cape-chisel. A narrow machinist’s chisel.

Caps. The backward curves on the points of file teeth.

Cap-screw. A screw with a collar and a square head.

Carrier. A device for driving lathe work.

Case hardening. A process of hardening the surface of wrought iron, the hardening usually extending about 132 inch in depth.