「Original Films Of Frank B Gilbreth (Part 2)」の編集履歴（バックアップ）一覧はこちら
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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
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Part of a study of finger motions which led to the simplified keyboard for typewriters.
This arrangement rf keys was made to distribute thework in accerdance with finger capacities and thus increase the typist's output.
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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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counter&counter(page=)
&link_trackback()
