. Journal. nsists of a nitrated mixture of resin . Istarch-meal, together with potassium chlorate ami 60-5 to 5 per cent, of powdered aluminium.—A. S. Explosive ; Nitroglycerin [N it romonochlorhydnn] -M. Bielefeldt, Berlin. Pat. 799,705, See Fr. Pat. 352,750 of 1905 ; this J., 1905, 987.— French Patents. Explosives containing Aluminium ; Process of proving the Quality of . Soc. G. Roth. Fr. 1 353,864, May 2. 1905. See Eng. Pat. 6G51 of 1905 ; this J., 1905, 814.— . [] J01 i:\AI. AM) PATENT Cl, XXII. a win jrd from White Phosphorus, for the ijactun: of
. Journal. nsists of a nitrated mixture of resin . Istarch-meal, together with potassium chlorate ami 60-5 to 5 per cent, of powdered aluminium.—A. S. Explosive ; Nitroglycerin [N it romonochlorhydnn] -M. Bielefeldt, Berlin. Pat. 799,705, See Fr. Pat. 352,750 of 1905 ; this J., 1905, 987.— French Patents. Explosives containing Aluminium ; Process of proving the Quality of . Soc. G. Roth. Fr. 1 353,864, May 2. 1905. See Eng. Pat. 6G51 of 1905 ; this J., 1905, 814.— . [] J01 i:\AI. AM) PATENT Cl, XXII. a win jrd from White Phosphorus, for the ijactun: of . D. L. Bar be. li. Pat. 3 5 July 11. 1904. tpco ding to the presont invontion the tips of the mo il willi a mixture of two pastes (if suilallMotion, for Dxample, a mixture of the pastes u ed fo;i,- boxes and heads respectively of ordinary safety. -A. S. XXIII.—ANALYTICAL , Etc. fttrcury Pump: Automatic —of Mercury. L. Ubbelohde2659. - inlli Shortened tulun nBer., 1905, 38, 2657. ?up is similar in construction to the one described•Stock (this J., 1905, 814). except that it is provided withdevice whereby it works automatically. To fill theimp, the rubber tubing connected to the upper part ofj e small glass vessel c is detached from the main part of• pump, and mercury is introduced through it until the»l U is tilled up to a mark on its upper narrowedrtion. The rubber tube is then again fastened to thenip, and mercury is now introduced through A untilbelow the valve / is immersed to a depth of-3 mm. in mercury in the hemispherical vessel below,water-pump is then connected to A, and the with the vessel in which a vacuum is to be pro-wl, and which is attached at R, is exhausted, the see-rice VV being fixed in the position shown in theare by the clamp 6, whilst the three-way cock H is openA and U. Alter the desired degree of vacuum isamed, the clamp b is loosened, and the pump will nowrk automatically. The weight of the mercury in c ?
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
