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KUSTEL, Guido. Nevada and California processes of Silver and 



Gold extraction. 8vo. 327pp. San Francisco, 1863. 



LAUE, M. P. De la Production des Metaux Precieux en California. 



8vo. 132 pp. Paris, 1862. 



PHILLIPS, J. Arthur. The Mining and Metallurgy of Gold and 



Silver. 8vo. 532 pp. London, 1867. 



PRIME, Frederick, Jr. Desilverization of Lead by Zinc. Vol. VIL, 



Pamphlets. Octavo series. 8vo. 18 pp., II. plates. 1870. 



RUDOLPH, A. Die edlen Metalle und Schmucksteine. 



8vo. 175 pp. Breslau, 1859. 



WINKLER. Die europaische Amalgamazion der Silbererze und sil- 

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 See, also, Metallurgy Generalities, p. 262. 



COPPER, LEAD, TIN, ZINC, NICKEL AND COBALT. 



BRITISH Patent Office. Specifications of Patents for 



Machinery for the Manufacture of Sheet Tin. J. H. John- 

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Obtaining Nickel and Cobalt. H. H. Vivian, Patentee. 



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Smelting Zinc Ores. M. Schaffner, Patentee. 



6 pp., II. plates. 1859. 



COSTE, Leon, and Perdonnet, Auguste. Memoires Metallurgiques 

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 en Angleterre. 2 vols., text and plates. Paris, 1830. 



DER ZINK. 4to. 52 pp., XV. plates. Breslau, 1857. 



EBERMATER, Edward. Ueber die Nickelgewinnung auf der Auro- 

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EGLESTOX, Thomas. Tables to Illustrate the Metallurgical Lectures 

 delivered at the School of Mines, Columbia College, New- 

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GENTH, F. A. Contributions to Metallurgy. No. 1, Analysis of 



Chinese Coins. Vol. VII., Pamphlets. Octavo series. 8VO. 6pp. 



GURLT, A. Bemerkungen iiber die neueren Fortschritte des Kup- 

 ferhiittenprozesses. 8vo. 42 pp. Freiberg, 1852. 



HARTMANN, Carl. Das Kupfer und das Zink. 



8vo. 328 pp. Weimar, 1863. 



Ueber die Eisen Kupfer Zinc und Bleihiitten Betrieb. 



Drittes heft. 8vo. 188 pp., IV. plates. Leipsig, 1850. 

 HUBERT, Alois von. Anleitung durch Colorimetrie den Kupper- 

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8vo. 58 pp. Vienna, 1852. 

 HUGHES, G. W. Report relative to the Working of Copper Ore. 



Vol. VII., Pamphlets. Octavo series. 



8vo. 58 pp. Washington, 1844. 



HUXT, T. Sterry, and Douglass, Jas., Jr. A New Process for the 

 Extraction of Copper from its ores, with notes on the treat- 

 ment of Gold and Silver ores. 8vo. 16 pp. Montreal, 1870. 



