318 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 58 



METALLURGY AND CHEMISTRY (Continued) 



1507b. . Tin dressing. 



Mg-. Mag., Vol. 2, 1910, New York, pp. 295-206. 



1508. JoLYET, F., and Cahours, A. Recherches sur Faction physiologique des 



stannethyles et des stanmethyles. 



C. R. Acad. Sci., Vol. 6S, 1869, Paris, pp. 1276-1280. 



1509. Kenngott, a. Ueber die alkalische Reaction einiger Minerale. 



Neuea Jahrb. Min., 1867, Stuttgart, pp. 437-438. 



1510. Kerl, Bruno. The Assay er's ManuaL An abridged treatise on the 



docimastic examination of ores, and furnace and other artificial 

 products. 



Translated from the German by W. T. Brannt, 1883, London, pp. 214-224. 



Treats of the determination of tinstone by washing; and by both Are and wet assays. 



1511. Kershaw, John B. C. Progress in electrochemistry and electrometal- 



lurgy in 1902. 



Min. Ind. for 1902, Vol. 11, 1903, New York and London, p. 23.5, 300 words. 



The electroyltic method of stripping tin from tin scrap and waste appears to be 

 extending. The consumption of tin scrap in Gcrm.iny alone is said to reach 30,000 

 tons per annum. 



1511a. . Electro-Metallurgy. 



D. Van Nostrand Co., 1908, New York, pp. 256-268. 

 Treats of the electric separation of tin from tin scrap. 



1512. Kersten, C. M. Ueber die chemische Zusammensetzung mehrerer 



Sorten ungereinigten, so wie gereinigten Abgangszinnes von Altenberg 

 und zweier Zinnsorten aus Peru. 



Arch. Min. geogn. Bergb. Hiitt., Vol. 22, 1848, Breslau and Berlin, pp. 662-690. 



1513. KLArROTH, Martin H. Analytical essays toward promoting chemical 



knowledge of mineral substances. 



[Translated from German.] 1801, London, pp. 515-531. 



1. Chemical examination of the native oxyd of tin. 



a. Experiments in a dry way. 



L Assays in charcoal-crucibles. 



II. Habitudes of tinstone, when exposed to heat in a crucible made of claj'. 



b. Experiments in a humid way. 



2. Chemical examination of' the native sulphuret of tin. 



Samples of tin ore from Cornwall and Germany were used in these analyses. 



1514. KiJNZEL, C. Ueber die Verarbeitung von Weissblechabfallen. 



Berg. Hiitt. Zeit., Vol. 33, 1874, Leipzig, pp. 57-60. 



1515. Lampadius, W. A. De I'essai et de I'analyse des minerals d'6taln. 



Ann. Mines, Vol. 3, ISIS, Paris, pp. 203-208. 



1516. . Versuche mit einem Quarzzuschlage bei dem Verschmelzen 



der Zinnerze zu Altenberg. 



Arch. Bergb. Iliitt., Vol. 14, 1S27, Breslau and Berlin, pp. 296-298. 



1517. Latta, Geo. J. The smelting of tin ore at the Mount Bischoff tin 



smelting works, Launceston. 



Rep. Seer. Mines for 1899-1900, Tasmania, 1900, Hobart, pp. 91-92. 



Gives the amount and kind of tin ores smelted during first half of 1899, the method 

 of smelting used, proper mixtures of ores, and charges. 



