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Pitch is the number of ( monospaced) letters, numbers and spaces in of , that is, ''characters per inch'' (abbreviated cpi), measured horizontally. The pitch was most often used as a measurement of the size of
typewriter A typewriter is a mechanical or electromechanical machine for typing characters. Typically, a typewriter has an array of keys, and each one causes a different single character to be produced on paper by striking an inked ribbon selective ...
fonts as well as those of
impact printers In computing, a printer is a peripheral machine which makes a persistent representation of graphics or text, usually on paper. While most output is human-readable, bar code printers are an example of an expanded use for printers. Differ ...
used with computers. The most widespread fonts in typewriters are 10 and 12 pitch, called ''Pica'' and ''Elite'', respectively. Both fonts have the same x-height, yielding six lines per vertical inch. There may be other font styles with various width: condensed or compressed (17–20 cpi), italic or bold (10 pitch), enlarged (5–8 cpi), and so on. ''Pica'', the typewriter font, should not be confused with pica, a unit equal to of an inch or twelve points, usually measured vertically.


See also

* Copyfitting Estimating the average number of characters per line for a proportionately spaced font. * * * Proportional spacingA proportional typeface contains glyphs of varying widths, while a monospaced (non-proportional or fixed-width) typeface uses a single standard width for all glyphs in the font. Consequently, the pitch of a proportionally spaced font is undefined.


References


External links

* {{cite web, title=100 typewriter typefaces compared, url=http://xoverit.blogspot.ru/2014/03/100-typewriter-typefaces-compared.html, website=x over it, date=19 March 2014 Typewriters