The desirability of emulsions was recognized as early as 1850 by Gustave Le Gray, and in 1853 by Gaudin. Edward W. Byrn.十九世纪发明进展.
Emulsions and improvements in Dry Plate Photography by Russell and Sayce. Edward W. Byrn.十九世纪发明进展.
In 1871 Maddox published his first notice of gelatine emulsion, and in 1873 the gelatine emulsions of Burgess were advertised for sale. Edward W. Byrn.十九世纪发明进展.