You will see by this circular the particulars of the series to which Brinloy Richardsa#39; portrait belongs. ... statesmen and other public men, obtained in London this summer, being very large, they have felt it desirable to facilitate printing by multiplying negatives. ... Common soda is the term used fortbe carbonate of soda used by the laundress. ... Cyanide of potassium is a very energetic solvent of the salts of silver, but it is not suitable as a fixing solvent for chloride of silver in positive prints.
|Title||:||The Photographic News: A Weekly Record of the Progress of Photography. Vol. VII|