MECHANICAL OPERATION OF THE MODEL 28 TELETYPEWRITER - FUNCTION MECHANISM
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Shows the mechanical chain of action in the function mechanism of the Model 28 Teletypewriter (tt-47a/ug). Emphasizes the operation of the function clutch as opposed to the main shaft clutch.
Sources
- usgov-av-1974 — title, year, creator, length, color, sound, description
Record added 2026-07-01 03:45:55