244 REPORT OF NATIONAL MUSEUM, 1884. 



and the rolling of steel rails at the South Chicago Rolling-Mill; also a 

 •collection representing the smelting of copper slags at the Native Cop- 

 per Smelting Works, Lake Superior. 



Mr. J. P. Gazzam, E. M., collected at the Cheltenham Smelting and 

 Venning Works, near Saint Louis, Mo.; at the Glendale Zinc Works, 

 •also near Saint Louis; at the Joplin Zinc Works, Joplin, Mo.; at the 

 Saint Genevieve Copper Works, Saint Genevieve, Mo.; at the Missouri 

 IFurnace and the furnaces of the Saint Louis Ore and Steel Company, 

 mear Saint Louis; at the mines and works of the Granby Mining and 

 Smelting Company; at the South Side Mining and Manufacturing 

 Works, Galena, Kans. ; at the zinc works of Robert Lanyon, Pittsburgh, 

 3£ans. ; at Mine La Motte, Missouri; at the zinc mines of Cowan & Bliss, 

 :Frye & De Graffe, and Moore, De Graffe & Co., Lehigh, Mo. 



At Mr. Gazzam's solicitation, Page & Krause, of Saint Louis, Mo., 

 ^presented a collection representing the manufacture of zinc paint, and 

 also the manufacture of barytes. The Saint Louis Tripoli Company pre- 

 sented a collection representing the utilization of tripoli. 



Messrs. Kirby and Gazzam made a very handsome collection of zinc 

 «ore from the mines of Spencer & McConey, Carterville, Mo., and Cowan 

 «& Bliss, Lehigh, Mo. 



The department is under great obligation to Prof. W. B. Potter, of 

 "Washington University, Saint Louis, Mo., for advice and assistance in 

 -directing the work of these three young men. 



Mr. J. B. Mcintosh, E. M., of New York, collected at the Passaic Zinc. 

 "Works, Jersey City, N. J. ; at the Bellemont Forge and Crown Point 

 Furnace, in Northern New York; and at the smelting works of E. Bal- 

 •bach & Son, Newark, N. J. 



Mr. J. F. Kemp, E. M., of Brooklyn, collected at the Desloge and 

 •Saint Jo Lead W r orks, Joplin, Mo. 



Mr. H. S. Fleming, of Philadelphia, collected at the Warwick and 

 North Cornwall Iron Furnaces, in Pennsylvania. 



Mr. D. W. Reckhart, of Salt Lake City, made some systematic collec- 

 tions from various mines in Utah. 



Messrs. D. W. Reckhart and C. F. Pearis, E. M., collected at the 

 Oermania Smelting and Refining Works, near Salt Lake City, Utah. 



There was acquired by purchase a series of 87 specimens represent- 

 ing the occurrence of placer gold at nearly all the prominent regions of 

 the country. This collection is especially valuable from the fact that 

 many of the specimens were collected in the early days, and the date of 

 ♦collection of nearly every one is known.- It is the most full and com- 

 plete collection of its kind in the country. 



There was also purchased a series of drawings of furnaces, to be used 

 for wall decorations. 



Early in the year it was decided to administer upon the pile of boxes 

 and the material which had been stored away in the pigeon-holes of 

 the work room of the department in the southwest court, with a view 



