. Journal. hane tlame was compared with aMetliven standard burner supplied with eighteen-candlegas—, with a light equal to two sperm Parliamentarycandles. The results obtained were—Rate of consumption Candles per 5cb. ft. per hour corrected to Candles per hour BO F. and 30 B. cb. ft. observed. calculated. 2-78 29 520 4-46 4(5 5-15 The author will extend his observations to ethane andpropane.— tion of Ammonia from Gaseous Mixtures. Dingl. Polyt. Journ. 251, 434. II. Wellsteih describes the following pr and apparatus for the purpose (Ger. Pat, 28,762, 1883), ] THE JOURNAL OF
. Journal. hane tlame was compared with aMetliven standard burner supplied with eighteen-candlegas—, with a light equal to two sperm Parliamentarycandles. The results obtained were—Rate of consumption Candles per 5cb. ft. per hour corrected to Candles per hour BO F. and 30 B. cb. ft. observed. calculated. 2-78 29 520 4-46 4(5 5-15 The author will extend his observations to ethane andpropane.— tion of Ammonia from Gaseous Mixtures. Dingl. Polyt. Journ. 251, 434. II. Wellsteih describes the following pr and apparatus for the purpose (Ger. Pat, 28,762, 1883), ] THE JOURNAL OF THE SOCIETY OF CHEMICAL INDUSTRY. ]!Ti The lover bent portion of the tube h (Figs. 1 and Sthe pulsometer I, arc placed in a flue so thai thecontents may be heated. The gaseous mixture entersthe chamber c by a and leaves by h, these tubeprovided with valves as shown in the figure. F is a res-ervoir of dilute sulphuric acid which flows into c by wayof h, and is distributed as shown in the figure. When a. ?Fin. 2 sufficient quantity of the dilute acid lias collected in thefloor of c, the valve in W is forced open and the liquid flowsto P. where it is heated until the vapour tension is suf-ficient to close the valve and force the liquid by way ofoto the second reservoir F. The circulation is maintainedin this way until the sulphuric acid is neutralised by theammonia, when it is interrupted during the introductionof fresh acid.—C. F. C. Improvements in Self-acting Retorts for the distillationof Sol B. P. Walker, Birmingham, andJ. A. B. Bennet, Kings Heath. Eng. Pat. 491,January 3, invention relates to retorts constructed in accord-ance with a previous specification (Eng. Pat. 335, 1SS3),in which the material to be acted upon is made totraverse the length of the retort by the action of a screwinto the threads of which the material is supplied from ahopper. The object of the present invention is toprevent the material from being carried round by thescrew through the
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
