The American Chemist Volume 1 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1871 edition. Excerpt: ...to this cause. Preservation of Thallium.--Dr. Boettger.--The author ftites that, after having tried several methods, he has found that this rcadily-oxidizible metal is best kept unaltered by being kept in pure distilled water which lias bueu boik'd fcr a long time, to expel air, and coolo I in a closed flask. An ingot of thallium fused under a layer 01 cyanide of potassium, and immersed in the liquid just mentioned, has preserved its silvery metallic surface unaltered for three years. First number for September, 1870. Experiments to dctcruiiiie the Valua of Various Kinds of Oils used for Ma- iiiii'ry.--H. Fischer.--This paper, chiefly filled with tabulated resuits of experiments, contains the record of trials of various kinds of oils used for the greasing of machinery, in order to determine their fitness. Manufacture of Coke from Non-Caking Coals.--E. Veriot and T. Appolt. Contribution to the History and Statistics of the Manufacture of Mineral Oil, Parufflne, and the Distillation of Brown Coals III Saxony.--R. Jacobi.--The contents of this paper, chiefly of local interest, contain a series of tabulated forms, from which it appears that the industry alluded to is very extensive. Description of a Process by means of which all Printed Matter, Printed Plates, and Lead-Pencil Drawings maybe readily and rapidly copied without any Detriment to the Original.--C. Puscher.--This paper, too lengthy for any useful abstraction, contains the description of a process, and the receipts for making the required preparations, by means of which the object above quoted may be effected; but, judging from the description given, the process is rather a complicated affair. Extract of Madder for Use In CalicoPrinting.--P. Schutzenberger.--After referring to the...