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THE POPULAR SCIENCE MONTHLY. 



lustre, whicli in the liglit glistens with all the gorgeous hues of 

 a sunset sky. In experimenting to obtain the blood- red of the 

 Sang de Imuf, varieties were produced of a deep sea-green, 

 "peach-blow," apple-green, mustard-yellow, greenish blue, ma- 

 roon, and rich purple. Specimens of this ware have been secured 

 by a number of prominent collectors throughout the United 

 States, but the demand for works of this character being limited, 

 the remaining examples which were produced still rest on the 

 dusty shelves in the Chelsea workshop. The history of the dis- 

 covery of this process is a repetition of the old story of genius 



Fig. 12.— Plaque representing Spring. (Designed by H. C. Eobertson, 1879.) 



After twenty-four years of devotion to art, Mr. Robertson finds 

 himself unable to prosecute the work further, and for over two 

 years the fires have not been lighted in his kilns. It is difficult 

 to explain the apparent indifference of Americans to works of 

 artistic merit which emanate from their countrvmen.* 



* Since writing the above, word comes to us that a company has been incorporated 

 under the name Chelsea Pot.oiv V. S., and date July 17, 1891, of which Mr. Hugh C. Rob- 

 ertson will be the manager. 



