TT-47/UG TELETYPEWRITER - GENERAL PRINCIPLES AND OPERATION
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Explains how teletypewriters are used in the Navy's communications system and demonstrates for the operators, the basic principles of operation use of the various function keys, and correct procedures for setting messages and securing the machine.
Sources
- usgov-av-1974 — title, year, creator, length, color, sound, description
Record added 2026-07-01 03:46:11