Hot metal typesetting: Difference between revisions

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the intro needs some historical context
→‎Types of typesetting: Copyedit - added punctuation
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This machine was able to cast display body sizes that other mechanical composition systems were unable to produce. In this way headings could be produced to complement text produced on other machines. It also used the same alloy as Linotype machines, so was a useful adjunct to page makeup for newspapers as, when complete, all the metal could be remelted without having to be separated or the type from the headings redistributed back into case.
 
The success of these machines lay in different fields: the Monotype caster was more popular for bookwork that required the ability to make manual corrections and edits while the slug casting systems found success in newspaper production where speed of production and 'make ready' for print was essential.
 
There is another essential difference between Monotype and all the "slug"-producing machines: a Monotype machine functions with a minimal set of matrices: each character needs one matrix. Linecasters cannot function this way, and these systems need quite large magazines of matrices to be able to set a complete line of text with the usual character repetitions. Indeed, the nominal 90 channel magazine of a linecaster really has 91 total channels, with the first two channels allocated to the lower case 'e', and with these matrices being alternately selected from channel 0 or channel 1, for alternate lines of cast type.