Definitions

from The Century Dictionary and Cyclopedia

  • In photography, noting a printing process in which paper sensitized with a solution containing gelatin, ferric chlorid, ferric sulphate, and tartaric acid, and dried in the dark, is, after exposure beneath a negative or a tracing, developed by immersion in a solution of gallic acid.
  • Noting paper sensitized as above described: largely used by architects and engineers.

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