smoke proof

See also: smokeproof

English

smoke proof (plural smoke proofs)

(typography, now chiefly historical) A temporary print made from a thin coating of carbon deposited on the punch surface by a candle flame, used in evaluating the progress of the design of the punch.
- 2009, James Mosley, in Michael F Suarez & Michael L Turner (eds.), The Cambridge History of the Book in Britain, vol. V, Cambridge 2014, p. 171:
  Progress was observed from time to time by holding the end of the punch in the sooty flame of a candle or lamp and by pressing it on slightly damp paper to make a smoke proof.

单词	smoke proof
释义	smoke proof See also: smokeproof English Pronunciation Rhymes: -uːf Noun smoke proof (plural smoke proofs) (typography, now chiefly historical) A temporary print made from a thin coating of carbon deposited on the punch surface by a candle flame, used in evaluating the progress of the design of the punch. 2009, James Mosley, in Michael F Suarez & Michael L Turner (eds.), The Cambridge History of the Book in Britain, vol. V, Cambridge 2014, p. 171: Progress was observed from time to time by holding the end of the punch in the sooty flame of a candle or lamp and by pressing it on slightly damp paper to make a smoke proof.
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