(under subclass 4) Device including means to advance the counter or measuring unit.
(1) Note. Also included are arrangements for altering or adjusting (rather than exchanging) the counter drive to accommodate different type fonts or to space the letters of words.
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4, for a machine including a mere justification indicator (i.e., which does not totalize or compute justification data).
5, for a machine with exchangeable parts to accommodate different fonts.
7, for a machine with provision for altering the counter or measuring unit drive incidental to tabulating or line length adjustment.