Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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two-sided sheet

A term used with reference to the difference in shade and/or texture between the felt and wire sides of a sheet of paper. The term is generally applied to dyed papers, and usually refers to a difference in the depth of color, with the felt side being darker and the wire side lighter. Two-sidedness in paper may also be produced by using a mixed furnish, e.g., long- and short-fibered stock, the short fibers (as they are lighter) being on the top or felt side and the long fibers on the bottom or wire side. Another form of the two-sided sheet is the filled paper, in which more pigment is retained on the top side of the sheet. (17 , 98 )

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