Salt print

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Edinburgh Ale: James Ballantine, Dr George Bell and David Octavius Hill by Hill & Adamson, ca. 1844

The salt print was the dominant paper-based photographic process for producing positive prints during the period from 1839 through approximately 1860.

The salted paper technique was created by British photographer William Henry Fox Talbot. He called his negative process calotype printing, while the salt print process was used for making positive prints from the calotype negatives. They both employ a technique of coating sheets of paper with silver salts, but the calotype process differs slightly in chemicals used in the sensitization procedure, and uses an extra 'accelerator' step, immediately prior to exposure of the sensitized paper.[1][2]


  1. ^ "Calotypes". Retrieved 2013-06-24. 
  2. ^ "Photography - Victoria and Albert Museum". Retrieved 2013-06-24. 


  • Taylor, Roger. Impressed by Light: British Photographs from Paper Negatives, 1840-1860 (NY, Metropolitan Museum of Art, 2007)

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