| Notes |
Caswell's permutation-bar typewriter printer, Sacco & Giacomini's & Elgin's permutation-bar type-wheel printer, permutation bar with sloping notches, Union Switch & Signal Co.'s method of simultaneous shift of permutation bars, mechanical arrangement of Murray's printer to allow overlap of printing & setting cycles, method of securing overlap in Burry's type-bar printer, mechanical translator of Baudot, electrical & electromechanical methods of storing transient signals, perforated-tape control of permutation bars (Murray), compressed-air control of type-bars (Creed), simple form of impression & paper feed for tape telegraphic printer, "flying print" of David Hughes, principle of "rolling print", electromechanical setting & resetting method for permutation bars (Murray), electrical trigger as setting means for permutation bars (Murray), mechanical method of setting permutation bars under control of perforated tape (Caswell), combined rolling-print & paper feed (Fraser) |