ClipArt ETC
An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts, shot, etc.

Micrometer Calipers

An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the…

A device for measuring very small distances, objects, or angles, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.

Micrometer Gage

A device for measuring very small distances, objects, or angles, especially one based on the rotation…