222 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 58 



METALLURGY AND CHEMISTRY (Continued) 



1549. FERRET, AUGUSTE. Zinc, etain, nickel, cobalt. 



1903, Paris. 



Petite Encyclopedic de chimie industrielle pratique. 



Not available to the authors. 



1550. PERSONNE, J. MSmoire sur les combinaisons de 1'iode et de 1'etain. 



C. R. Acad. Sci., Vol. 54, 1862, Paris, pp. 216-220. 



PIKE, E. R. See No. 715. 



1551. PLATTE, GABRIEL. A discovery of subterranean treasure, viz., all man- 



ner of mines and minerals, etc. 



1792, Philadelphia, pp. 9-10. 



Operation of tin refining. " And as for refining of it, I am sure it cannot be done 

 by any artifice." 



1552. PLATTNER, C. A. Die Darstellung von Zinn- und Antimonblei auf den 



Konigl. Sachs. Freiberger Hiittenwerken. 



Jahrb. Berg. Hiitt. Ron. Sachsen., 1883, Freiberg, pp. 1-18. 



1553. RAWSON, S. G. The qualitative separation of arsenic, antimony and tin. 



Chemical News, Vol. 75, 1897, London, p. 221. 



Reprinted: Eng. Mg. Journ., Vol. 63, 1897, New York, p. 545. 

 Arsenic and antimony are precipitated from a mixture of oxalic and hydrochloric 

 acids by hydrogen sulphide. Hydrides of arsenic and antimony are passed through a 

 silver nitrate solution, and the antimonide of silver filtered out. 



1554. RAY, JOHN. A collection of English words not generally used. With 



an account of the preparing and refining such metals and minerals 

 as are found in England. 



1768, London, 4th Ed. 



The preparing and smelting or blowing of tin in Cornwall, pp. 131-134. 



REYER, EDUARD. See No. 1354. 



1555. RICHARDS, JOSEPH. Utilization of the wastes from the use of white 



metal. 



Journ. Franklin Inst., Vol. 151, 1901, Philadelphia, pp. 446-447. 



Also. Mg. Sci. Press, Vol.' 82, 1901, San Francisco, p. 293. 



Methods used by writer in removing tin from tin scrap, saving both tin and iron. 



1556. RICHARDS, ROBERT H. Block tin resulting from distillation of a tin 



amalgam. 



Trans. Amer. Inst. Mg. Eng., Vol. 11, 1882-1883, New York, pp. 235-236. 



1557. RIEFFEL, . Me"moire sur les combinaisons chimiques du cuivre avec 



retain, et sur leurs melanges entre elles, constituant les alliages non 

 chimiques de ces deux metaux. 



C. R. Acad. Sci., Vol. 37, 1853, Paris, pp. 456-453. 



ROSCOE, H. E. See No. 1568. 



1558. ROSE, H. Ueber die Trennung des Zinns vom Antimon. 



Ann. Physik. Chem., Vol. 71, 1847, Leipzig, pp. 301-304. 

 Extract: Ann. Mines, ser. 4, Vol. 15, 1849, Paris, pp. 129-130. 



