Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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shade-craft watermark

A WATERMARK produced by means of a design on the dandy roll of the papermaking machine that is intaglio instead of in relief, thus thickening the sheet at the point of contact. It causes the watermark to appear darker than the rest of the sheet, rather than lighter, as is the case with the true watermark. The earliest shade-craft watermark (known as a "light-and-shade" watermark) was produced by the Frenchman Jannot in about 1812. His, of course, was not produced by a dandy roll. (17 )

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