Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 336
arge Blabs are in some cases ground upon revolving plates; in this case the a1 entirely beneath the surface of the plate, somewhat as in Fig. .71 I, and the slab is fcrav<o men over the face of the plate to grind it equally, but the machine next d< better adapted for large slabs of marble… … ntally u] a moving bed, and the grinding i; I water, by mean- ol l i iron re ting upon the surface of the Blab. The two surfaces are traversed over each otherwith a compound motion, partly eccentric and partlj rectilinear, bo as continually to change tli< ir rela-tive positi Tl d ichine consists…
Mechanical engineering
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