A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . st the thickness of the mass of sawdust passing into the retort readily pre-vents any from passing out there. It is said that one retort can do the work of five of thosemade on Ilallidays plan with the screw. Two of them produce with slow motion 2,500gallons of acid in six days. The motion may be increased at will, and heat regulatedaccordingly. There are scrapers to jn-event charcoal clogging the bars forming the inclinedplane, antl the apparatus does not requi
A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . st the thickness of the mass of sawdust passing into the retort readily pre-vents any from passing out there. It is said that one retort can do the work of five of thosemade on Ilallidays plan with the screw. Two of them produce with slow motion 2,500gallons of acid in six days. The motion may be increased at will, and heat regulatedaccordingly. There are scrapers to jn-event charcoal clogging the bars forming the inclinedplane, antl the apparatus does not require to be stopped for any purpose of cleansing. Itfeeds and discharges continuously, from month to month. Sawdust, wood turnings, small chips, spent dye wood, and tanners bark, peat, and such PYROXILIC SPIRIT. 941 like ligneous, and carbonaceous substances, are distilled, and the carbon discharged asshown. It is believed also that the distillation is effected more rapidly, and the gases moredirectly removed by this method, than by any other. Fig. 577 is a longitudinal section taken through the middle of the retort or rectangular. vessel rt, «, a\ b,b are the revolving drums on which the endless chain e, e, e revolves; /, /are cross-bars or scrapers ; g, g are tubes to convey the gases, one from the lower and onefrom the higher point of the moving plane; /i is a hopper filled with sawdust and othermaterial to be distilled; the supply is regulated by two small cog-wheels i, i; j, the fire-])lace ; k, k, the flues ; ?« is a cistern showing the level of the water and the carbon fallinginto it, the lower part of the retort dipping into it. PYROXILIC SPIRIT. Spi. Pyroligncous spirit, Pgroligneoiis ether, Wood-spirit,Wood-naphtha, Methi/lic alcohol. Hydrate of methyle, ^Hydrated oxide of ^O^ = C^H=0,HO. Density of strongest wood-spirit at 32% 0-8179. Density at (58°,0708. Density of vapor, 1-12=4 volumes. Boihng-point, 150° F. Wood-spirit was first recognized as a disti
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishernewyo, bookyear1864
