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Silver halide filmPhotographic film in which the light sensitive ingredient
is a silver halide emulsion. Properly processed and stored, silver halide
film can be considered archival, and should be used for master microform
production.
Size ( sizing)Chemicals added to paper and board during manufacture
to make it less absorbent, so that inks will not bleed, and the image
will have better definition. Sizing can also be used to strengthen weak
papers. Rosins, gelatin, starches and synthetic resins are used as sizing
agents. Sizes used in permanent papers are alkaline.
SlipcaseA well fitting open-fronted case into which a book may be slipped
or pushed for protection, leaving the spine displayed.
SpineThe back edge of a book; opposite to the fore-edge
Surrogate
A copy of the information content of an original item in another
medium, usually one that is more durable. See also reproduction and
facsimile.
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