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

leaf 3

An illustration from Scientific American, Vol. 36, No. 6 (1877), 1877, leaf 3
the air and heat of the sun. This process would seem to be the most economical; but in cloudy or rainy weather, the drying completely stops, and often the planter sustains heavy losses through the delays and deteri- oration of his crop. The great number of people required in the sun-drying process… … FIG. 3—GUARDIOLA’S COFFEE-WASHING MACHINE. ting movement of the machine; while an even temperature benefit of it. When the syrup has reached the desired degree and left on the strainer are readily removed by hand; boys pervades the whole mass. The vapors arising from the of density in the double…

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