The IBM SELECTRIC Composer: Justification Mechanism
by J. S. Morgan, J. R. Norwood
This paper describes the development and design history of the SELECTRIC® Composer justification mechanism. The authors present a brief definition of justification and how it relates to the printing industry; the requirements imposed upon a justification device that are peculiar to the SELECTRIC Composer; a description of the justification mechanism and its design, development and testing; and a final evaluation of the design relative to the attainment of its designated objectives, both as a mechanism and as a component of the SELECTRIC Composer.
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