17 



D 



CHEMISTRY. 



In Charge of Charles A. Doremus. 



1. Regulus of Iron obtained by Henri Moissan, Membre de 



rinstitut (Academic des Sciences), Honorary Member 

 of the New York Academy of Sciences, and illustrating 

 his method of preparing diamonds. 



2. Electric Furnace. Exhibited from the Department of 



Chemistry of the College of the City of New York by 

 Prof. R. Ogden Doremus. 



This furnace was constructed in the mechanical shop 

 of the College from designs of M. Moissan and was used 

 at the lecture he delivered before the Academy and other 

 Scientific Societies on October 27, 1896. 



With it silicon was distilled. 



3. Electric Furnace and chemical compounds produced there- 



with. Exhibited by C. E. Pellew, S. A. Tucker and 

 A. P. Van Gelder. 



4. Electric Furnace, double arc construction. Exhibited by 



Charles F. McKenna. 



5. Electric Furnace arranged for projection after model of 



Roberts- Austen. Exhibited by the College of the City 

 of New York through Charles A. Doremus. 



6. Lantern Attachment for projection of Plateau and other 



experiments, devised by Charles A. Doremus. Exhibited 

 by the College of the City of New York. 



7. Junkers Gas Calorimeter. 



8. Platinum Rhodium Pyrometer. Nos. 7 and 8 are exhibited 



by the College of the City of New York. 



