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Matrices created by Jean Jannon around 1640. The Garamond typeface installed with most Microsoft software is based on these designs. [1] [2] [3]In the manufacture of metal type used in letterpress printing, a matrix (from the Latin meaning womb or a female breeding animal) is the mould used to cast a letter, known as a sort. [4]
The compositor takes the pieces of type from the boxes (compartments) of the type case and places them in the composing stick, working from left to right and placing the letters upside-down with the nick to the top. Early composing sticks were made of wood, but later iron, brass, steel, aluminium, pewter and other metals were used.
The finished letter punch is finally hardened to withstand the rigours of reproduction by striking. One counterpunch and one letterpunch are produced for every letter or glyph making up a complete font. Matrix The letterpunch is used to strike a blank die of soft metal to make a negative letter mould, called a matrix. Casting
On one side the surface is cured when it is exposed to ultraviolet light and the other side is a metal or plastic backing that can be mounted on a base. The relief printing surface is created by placing a negative of the piece to be printed on the photosensitive side of the plate; the light passing through the clear regions of the negative ...
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The name of the machine comes from producing an entire line of metal type at once, hence a line-o'-type. It was a significant improvement over the previous industry standard of letter-by-letter manual typesetting using a composing stick and shallow subdivided trays, called "cases". The Linotype machine operator enters text on a 90-character ...
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