01 n. A process in photographic printing, in which a relief pattern in gelatin, which has been hardened after certain operations, is pressed upon…
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1.
A process in photographic printing, in which a relief pattern in gelatin, which has been hardened after certain operations, is pressed upon a plate of lead or other soft metal. An intaglio impression in thus produced, from which pictures may be directly printed, but by a slower process than in common printing.
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2.
A print from such a plate.