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 82
y the quickest, and thus throw the stone out of true. The stone should bewetted from a pipe suspended above it, and provided with a cock to shut off the water when thestone is not in use. A useful device for truing grindstones is shown in Fig. 2225. It consists of a hardened steel-threaded roll… … that the tops of the thread crush off the stone in minute sections or granular particles. The mainstand or bottom piece is securely clamped upon the trough close to the face of the stone; then byturning the hand-wheel, the threaded roll is brought iuto contact with the face of the stone, and…
Mechanical engineering -- Dictionaries
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