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 246
234 LATHE, METAL-WORKING. there is fitted a small split steel collar or ring turned to the same taper. Now, as the nut is screwedon a projecting flange upon it forces the steel ring farther into the taper hole, and thus causes it toclamp the spindle; while a half turn back unscrews the nut a little…
Mechanical engineering -- Dictionaries
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