496 CATALOGUE OF EXHIBITS. 



g. lonone : (The artificial perfume of Fresh Violets). 



Violet Extract, old formula. 



Violet Extract with new synthetic oil employed. 

 h. Vanillin : 



For comparison Vanilla beans. 



i. Synthetic Oil of Lily of the Valley, " Schimmel & Co." 

 J. Synthetic Oil of Tuberose, "Schimmel & Co." 

 k. Samples : Musk, natural and artificial. 



Pure Attar of Roses, Turkish and German. 



Oil of Sandalwood, East Indian, Santalol being the 



chief constituent. 



Musk caddies. 



Musk wrappers. 



5. New Photographic Printing Process, using Phosphate of 



Silver Emulsion. Invented by Johannes Meyer, M.D. 

 Phosphate of silver prints on paper, linen and silk. Ex- 

 hibited by Dr. Robert C. Schupphaus. 



6. California Lepidolite and Lithium Carbonate manufac- 



tured from it. Exhibited by Dr. Wm. Jay Schieffelin. 



7. Pantasote, a Rubber Substitute. Exhibited by Dr^, Wal- 



DEMAR Lee. 



Specimens illustrating its manufacture and use. 



8. Specimens of new Radio-active Elementary Substances 



from Pitch blende. Exhibited by the Chemical De- 

 partment OF Columbia University and by Messrs. 

 Eimer and Amend. 



a. Radio-active Substance A. 



b. Radio-active Substance B. 



9. Collection of New and Rare Alloys. Ferro-silicium, Ferro- 



Titanium, Ferro-Chromium, etc., made in the electric 

 furnace. Exhibited by Messrs. Eimer and Amend. 



10. Selected set of Strictly Chemically Pure Reagents, as 

 manufactured for and exhibited by Messrs. Eimer and 

 Amend by Dr. C. A. F. Kahlbaum, Berlin. These 

 reagents can be furnished with certain certificates of the 



