. The American artist's manual; . ating, and the piles of thornfaggots thus erected are termed gradua-tion-houses. These piles are covered with a roof, toshelter them from the rain, are madeabout five yards thick, and are sometimesmore than four hundred yards should be so constructed, diat theirsides may face the prevailing winds. Plate XVII. represents a graduation-house at Bex, with the improvementslately made in it by Mr. Fabre. A. Transverse section of the building. B. Longitudinal section. c, c, c. The faggots or thorns, piled upin two tiers below, and one above. !7, a. Wooden t
. The American artist's manual; . ating, and the piles of thornfaggots thus erected are termed gradua-tion-houses. These piles are covered with a roof, toshelter them from the rain, are madeabout five yards thick, and are sometimesmore than four hundred yards should be so constructed, diat theirsides may face the prevailing winds. Plate XVII. represents a graduation-house at Bex, with the improvementslately made in it by Mr. Fabre. A. Transverse section of the building. B. Longitudinal section. c, c, c. The faggots or thorns, piled upin two tiers below, and one above. !7, a. Wooden troughs, to distributethe salt water over these faggots. C. C. Plan and perspective view ofthese troughs. b, by b. Angular notches, through whichthe water runs out in slender streams,presenting a large surface to the aii. e. Roof, covered with tiles, not laidflat, but raised so as to admit a free circu-lation of air between them. d, d. Reservoir, into which the concen-trated salt water flows, and from which it SALT WORKS. ruuu
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Keywords: ., bookcentury1800, bookdecade1810, bookidame, booksubjecttechnology
