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Books Books 1 - 4 of 4 on The picture being thoroughly washed in plenty of water, after fixing with hypo-sulphite....  
" The picture being thoroughly washed in plenty of water, after fixing with hypo-sulphite of soda, is treated in the following manner. Prepare a saturated solution of bi-chloride of mercury in muriatic acid. Add one part of this solution to six of water.... "
The Chemistry of Photography - Page 314
by William Jerome Harrison - 1892 - 426 pages
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Photography

Robert Hunt, Francis Peabody - Photography - 1853 - 329 pages
...poured on, and the effect is produced. The pictures are fixed with the hyposulphite in the usual method. A peculiar whitening process was introduced by Mr....This picture, after being well washed and dried, can be varnished and preserved as a positive ; but nevertheless, even after this bleaching, it can be changed...
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A manual of photography

Robert Hunt - Photography - 1852 - 321 pages
...saturated solution of bi-chloride of mercury in muriatic acid. Add one part of this solution to sis of water. Pour a small quantity of it over the picture...This picture, after being well washed and dried, can be varnished and preserved as a positive ; but nevertheless, even after this bleaching, it can be changed...
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A Manual of Photography

Robert Hunt - Photography - 1854 - 361 pages
...poured on, and the effect is produced. The pictures are fixed with the hyposulphite in the usual method. A peculiar whitening process was introduced by Mr....This picture, after being well washed and dried, can be varnished and preserved as a positive ; but nevertheless, even after this bleaching, it can be changed...
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THE JOURNAL OF THE PHOTOGRAPHIC SOCIETY OF LONDON.

HUGH W. DIAMOND, M.D., F.S.A. - 1866
...one part of this solution to six of water. Pour a small quantity of it over the picture at one comer, and allow it to run evenly over the glass. It will...This picture, after being well washed and dried, can be varnished and preserved as a positive ; but nevertheless, even after this bleaching, it can be changed...
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