History of Science Museum: Collection Database Search

Narratives

Exhibition Label 2005

PHOTOGENIC DRAWING by Sir John F. W. Herschel, October 13, 1839 - contact print of an engraving (by John Cochran, about 1830), a hypo-fixed silver negative made either as a demonstration of the perfection of the hypo method, or as a negative for further experi-ments in making positives by different chemicals

Other narratives:

Related Objects: