The practical draughtsman's book of industrial design and machinist's and engineer's companion : forming a complete course of mechanical, engineering and architectural drawing (1866)
Armengaud, M. (Jacques Eugène), 1810-1891, Armengaud, M. (Charles), 1813-1893, Amouroux, M. (Jules), Johnson, William, 1823-1846 · Philadelphia : H.C. Baird · leaf 178
h, in conjunction with the bevilled top of theupper case, still further separates the suspended flour, and aidsthe ventilation. Another modification of stones relates to thecombination of three or more separate stones, instead of two, ashitherto used. In this plan, which is represented in fig. 9,… … Fig. 10. the central runner, and between the under surface of the latterand the upper surface of the bottom fixed stone at e. The grainis fed through thepipe, f, into thehopper, G, throughthe adjustable feed-passage into the pipe,h. Hence the supplyfor the upper grind-ing surfaces passesout by the…
