A practical treatise on the manufacture of soap and candles .. (1888)
Brannt, William T. (William Theodore), b. 1844, Deite, C. (Carl), 1838-1921, Engelhardt, Alwin, Schaedler, Karl, 1843-1891 · Philadelphia, H. C. Baird & co.; [etc., etc.] · leaf 84
e.By closely watching the temperature the fatty acids and glycerinare distilled over without undergoing any decomposition. The apparatus used for distilling being nearly the same asthose already mentioned, we will only describe Wilsons appara-tus (Fig. 14). The flat metal boiler D7 with dome-shaped… … Wilsons Distilling Apparatus. dome-cover B of the boiler has a cap of iron BB, which is heatedwith coals to prevent loss of heat by radiation. The steam beingheated to from 480° to 580° F. and let into the boiler A, changesthe fats into fatty acids and glycerin, and the vapors rising withthe steam…
Soap · Candles · Decorative arts
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