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 249
steel accurately trued after hardening. To prevent thespindle from getting end play, the back bearing is madeconical, and a stationary collar of hardened Bted issecured to the spindle back of the back bearing. Thiscollar is ground true and runs between hardened steelplates, preventing lost motion…
Mechanical engineering -- Dictionaries
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