Modern Business Machines (1947)
An intriguing historical film, demonstrating many expensive business machines found in modern offices of the era, including electromatic and Chinese typewriters and machines for filming, stenciling, folding and lithographing. Among the machines shown are Diebold's Flofilm microfiche recorder, the Fileomatic Desk, the Pierce Electronic Wire Recorder, the Soundscriber with plastic disk, the Elliott Stencil Machine with Graphotype machine, the Davidson Duplicator for litho printing, the Davidson Folder for letters, the Varityper, the Autotypist Perforator, the IBM Chinese character typewriter, and speed typist Stella Pajunas, using an IBM Model A Electric Typewriter, who set a one-hour typing speed record in 1946 of 140 net five-stroke words per minute.
https://archive.org/details/modern_business_machines_for_writing
