Fig. 1519.
Fig. 1520.
Fig. 1521.
Cylindrical work may be held in a vice chuck, providing that the top of the vice jaws is equal in height to the centre of the work, as in [Fig. 1519], a parallel piece being used to set the work true. When, however, the work is to be shaped at one end only, it is preferable to hold it as in [Fig. 1520], letting its end project out from the side of the chuck. In some vices the jaws are wider than the body of the chuck, so that cylindrical work may be held vertical, as in [Fig. 1521], when the end is to be operated upon.
