plancha zincográfica

(n.) = zincograph

Ex. In fact the earliest 'zincographs' were not made photographically but by transferring a line drawing in a greasy and acid-resistant ink on to a zinc plate and then etching it.

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(n.) = zincograph

Ex: In fact the earliest 'zincographs' were not made photographically but by transferring a line drawing in a greasy and acid-resistant ink on to a zinc plate and then etching it.