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Paper grain

I believe that a parent sheet of machine made paper is normally
"long-grain", fibers lying in the direction of the belts and rollers as the
pulp moves during manufacture.  If that sheet is cut in half horizontally,
the two halves become short-grain.

Hand- or mould-made papers have little or no discernable grain because the
moulds are jiggled as they are are lifted, causing the fibers to lie in
different directions.

There is much more to say about grain direction and how it affects
bookbinding; no doubt there will be more postings on the subject.

Betty Storz

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