of Uranivm. 



371 





AlTIIOR. 



Remarks. 



References. 



. . Simpson 



J. Photog. , 



. . . .Draper. . 

 1865 Wothly. 



241. 

 . 1864 



18G5;Liesegang. 



18G6 Bolton. 

 1809 Bolton. 



Seelv's Am. 



Vil., 395. 



Brit. J. Photog. , II. , 



Bull. Beige Photog. . 



Seely's Am. J. Photog.. 



YII., 1805. 

 Specification of patent. Polyt. Centr. . 1805. 943; 



Photog. Archives. 1865. 

 Ammonio citrate Chem. News, 1805, 108; 



Phnrm. Centr., 1805, 



1151. 



Oxytluoride See page — . 



Historical and general. . Am. J. Sci., 1809, Sept. 



