Hot metal typesetting: Difference between revisions

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→‎Linotype: Metal feeder actuation
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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 anotherAnother essential difference between Monotype and all the "slug"-producing machines is that 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.
 
Additionally, Monotype ''must'' use a punched paper tape, and the "reading frame" is always backwards (right-to-left) in order to achieve [[Typographic alignment|justification]], as justification is not an inherent capability of the machine (however, "flush left" ''is'' an inherent capability). Whereas Linotype ''may'' use a punched paper tape, although this option is seldom-used outside of daily newspapers, and whether a tape is used, or not, the "reading frame" is always forwards (left-to-right), with justification being an inherent capability of the machine (and, "flush right", "centered" and "flush left" may be very easily accommodated manually, or automatically using a "quadder" attachment).