Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 855
n frameholding a table which can be raised and lowered by turning the handle seen at the upper right-baudcorner, this connecting with the screw seen under the table, while the stone to be shaped is laid ontop. The diamond drill is connected with a vertical axis, rapidly rotated by means of the belt… … original axis. In the engraving the drill is represented in an oblique position, cutting a groove withmoulding in the surface of a stone. The whole system to which the rotating diamond drill is at-tached can be moved from right to left by hand, while an automatic motion may be thrown on, mov-ing it…
Mechanical engineering -- Dictionaries
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