MECHANICAL OPERATION OF THE MODEL 28 TELETYPEWRITER - TYPE BOX POSITIONING MECHANISM
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Shows the means of close live photography the chain of action of the mechanical levers that position the type box of the Model 28 Teletypewriter (tt-47a/ug) in the proper position so that the letter or figure key that is punched may be printed.
Sources
- usgov-av-1974 — title, year, creator, length, color, sound, description
Record added 2026-07-01 03:45:55