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 419
ortion of a revolution with great precision, and the work may have any numberof flat sides teeth,or grooves cut upon it. In case the grooves upon the piece are wanted in a spiralform the spindlea must have a continuous rotary motion, at the same time that it is being revolvedin a longitudinal… … V be made longer or shorter, as may be required, and either right- or left-handed. The spindle a andhead n may be set at any angle between a horizontal and a vertical plane, the centre of motion beingthe shaft /*, and the top edge of box or frame m being divided into degrees for that purpose. It…
Mechanical engineering -- Dictionaries
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
