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Scientific American, Vol. 36, No. 6 (February 1877) (1877)

leaf 4

An illustration from Scientific American, Vol. 36, No. 6 (February 1877), 1877, leaf 4
y now and again, a huge and the coffee is forced to move up and down the channels. mass of slate is hurled by the quarrymen above, and as it The husk is thus broken and finally pulverized, leaving the jumps and tumbles down, the crackling and crashing of the coffee thoroughly clean. By opening a… … FIG. 7.—GUARDIOLA'S COFFEE HULLER FOR HAND POWER. FIG. 5.—COFFEE DRYER, TRANSVERSE SECTION. FIG. 8.-QUAPJ)I0LA'S COFFEE HULLING AND POLISHING MACHINE. upon the ground—we following their example—and crept to are broken. Each mortar will clean about 150 to 300 lbs. fruitless inventions. Most of them…

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