276 REPORT OF NATIONAL MUSEUM, 1884. 



Coke. 

 The manufacture of coke at Connellsville, Pa. : Collection from the 



H. G. Frick coke ovens. 



Sulphur. 



The manufacture of sulphuric acid from iron pyrites : Collection from 

 the Merrimac Chemical Company, Boston, Mass. 

 The manufacture of alloys. 



Brass and its utilization : Collection from the Ansonia Brass and 

 Copper Works, Ansonia, Conn. 



Type metal and its utilization : Collection from the type foundry of 

 Mackellar, Smiths & Jordan, Philadelphia, Pa. 



Babbitt, or anti-frictiou, metals: Collections from Merchant & Co., 

 and Paul S. Eeeves, Philadelphia, Pa. 



Solders : Collection from Merchant & Co., Philadelphia, Pa. 



COLLECTIONS ILLUSTRATING THE PRACTICAL APPLICATION OF NON- 

 METALLIC ORES. 



The manufacture of sand-paper : Collection from Baeder, Adamsom 

 & Co., Philadelphia, Pa. 



Asbestos and its application : Collection from the H. W. Johns Com- 

 pany, New York. 



Abrading and polishing materials : Collections from R. J. Waddell 

 & Co., New York, and Saint Louis Tripoli Company, Saint Louis, Mo. 



The utilization of barytes : Collection from Page & Krause, Saint 

 Louis, Mo. 



The past year has been one of great activity in this department, far 

 more having been done than in the first year of its organization. A con- 

 siderable amount of the accumulated material on hand since the de- 

 partment was organized in December, 1882, has now been administered 

 upon and so disposed that far better use can be made of the material on 

 hand, and it is much easier to see what portions of the collections most 

 need strengthening. At the same time the more thoroughly organized 

 the material is, the more apparent it becomes that there is yet a large 

 amount of work in investigation needed to fit the material to accom- 

 plish the most good as an educator. Work of this character will occupy 

 the attention of the department to a considerable extent for many years. 



NOTES. 



The department has had the aid during the entire year of Ensign H. 

 M. Witzel, XL S. Navy, who rendered valuable assistance in the work 

 of the department. 



Mr. James Temple Brown, of the Museum staff, was engaged for sev- 

 eral months in making an extensive series of collections representing 

 coal mining, and also assisted in the work of the department both at 

 Washington and in New Orleans. 



The clerical work of the department was done during eleven months 

 of the year by Mr. F. I. Offutt, who was assisted by Mr. W. H. Newhall 

 for several months. 



