RESTORATION OF FADED PHOTOGRAPHS.
A good authority states that faded photographs may be restored in the following manner :—lmmerse the yellowed print in a dilute solution of bichloride of mercury until all the yellowness has disappeared, then wash it well in water to remove the mercurial salt. This restores no -lost details, but removes the “ sickly ” color which buried the “half tints,” and appears to prevent further loss of detail. Pictures thus heated have a warmer tone than originally, which varies somewhat, depending on whether gold or sulphur was used as the principal toning agent. Mounted photographs may receive this treatment by keeping them in close contact for a time with blotting paper charged with the bichloride.
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New Zealand Mail, Issue 680, 13 March 1885, Page 4
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117RESTORATION OF FADED PHOTOGRAPHS. New Zealand Mail, Issue 680, 13 March 1885, Page 4
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