Stereotype (printing)
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In printing, a stereotype, stereoplate or simply a stereo, is a solid plate of type metal, cast from a papier-mâché or plaster mould taken from the surface of a forme of type. The mould was known as a
A stereotype mould ("flong") being made
Stereotype casting room of the Seattle Daily Times, c. 1900
A copyright notice for a book from 1870, using the term stereotyped in its original sense
Flong
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In relief printing, a flong, also called a matrix or mat, is a flat material made of paper and paste or wood pulp and filler that can be formed into a mold by pressing it onto a forme of set type or o
Stereotype (printing)
…stereo, is a solid plate of type metal, cast from a papier-mâché or plaster mould taken from the surface of a forme of type. The mould was known as a flong. In the days of set movable type, printing involved placing individual letters (also called “sort”) plus other elements (including leading and furniture…
Figure 24 from Kubler's A New History of Stereotyping (1941), reproducing a page from Der curiosen Kunst- und Werck-Schule (1696) describing a paper-based type molding process.
Beating a papier-mâché flong into a forme.
A steam drying table for the flong and forme.