Original Films Of Frank B Gilbreth (Part 2)

Original Films Of Frank B Gilbreth (Part I)http://www.archive.org/details/OriginalFilm
Original Films Of Frank B Gilbreth (Part 2)http://www.archive.org/details/OriginalFilm_2

typewriter

Part of a study of finger motions which led to the simplified keyboard for typewriters.
This arrangement rf keys was made to distribute the work in accerdance with finger capacities and thus increase the typist's output.

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