A draftmans scale or an engineers scale which is graduated in inches, which are further subdivided by 10 and multiples

A pump consisting of an endless chain, fitted at intervals with disks, which moves through a pipe; used to raise

An electric switch, used in interior wiring, which is operated by pulling a chain or cord; usually mounted on the

A portable vise used to hold pipe in the jaw by means of a chain.

A molding carved with a representation of a chain.

A fence made of heavy steel wire fabric (usually coated with zinc, or the like) which is interwoven in such

A metal pin used in surveying for marking taped measurements on the ground.