Special Features:

9surface plate; granite, 36.000 in. Lg, 24.000 in. W, 6.000 in. Thk, laboratory grade aa, guaranteed repeat reading 25 millionths, microflat autocollimator o/a accuracy porm 0.000025, used when checking dimensions and parallelism on coil and support assembly

Properties:

An instrument used for laying out work by the scribing of lines at a given height from some face of the work, of transferring the height from one piece to another. Consists of a rectangular base to which a spindle is mounted and pivoted in an upright position. A scriber is clamped to spindle in such a manner so as to be adjustable.