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von der Kohlen und den Mineralölen. Ein Jahrbuch fur Chemie und Technik der Brennstoffe und Mineralöle. Edited by the Fuel and Mineral Oil Chemistry Section, Verein Deutscher Chemiker. Vol. I, 1928. Pp. viii + 252. Berlin: Verlag Chemie, 1929. Paper, 15 rm.; bound, 17 rm.

✍ Scribed by Hodsman, H. J.

Publisher
Wiley (John Wiley & Sons)
Year
1929
Weight
148 KB
Volume
48
Category
Article
ISSN
0368-4075

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✦ Synopsis

678

pumps mere prescntcd by the U.S. Stoneware Co., which has developed a rnodcl in stoneware capable of a spccd of 1750 r.p.ni., and by the La Bour Pump co., which has an improved rnodcl of self-priming pimp in thc special alloy, Elcomet. The I'fuudler Co. showed a glass-lined, Iircssure-vacuuni pcrcolator, and the Alsop Engineering Corp. u nciv glass-lincd steel pipe available in 10 ft. lengths and in 1111 dianicters up to G in. An improved valve wns shown by tlic 1Sverlristing Valvc Co.

Ncm items in grinding cquipnient ivcrc a stonewnrc ball mill built by the General Ccraniics Co., nud a conicnl-ended rod titill clcvclopctl by tlic Hnrtlingc Co.

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