Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 166
f the perforations of the bolter. That the laths may not beknocked off by this beating, there are commonly laid round bands either of leather or thin hoop-iron,see h h, Fig. 485. While the lower end of the bolter is left open to let out the grit or bran, the upper end is providedwith a wooden crown… … irnr * :s F | ■ i—sa f 11 162 BOLTING-MILL. t is provided with a funnel I of tin-plate, for the purpose of retaining the grit or flour within thebolter. A bolter of this kind is comnjonly from 16 to 26 feet long, and 24 to SO inches diameter, and inclinesin the ratio of one-fifteenth to one-eighth…
Mechanical engineering
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