SB-66

From RadioNerds
Jump to navigation Jump to search

Teletypewriter switchboard

SB-66.jpg


References

  • TM 11-2083 Switchboards SB-66/FGC and SB-66A/FGC (Teletypewriter). War Dept. Mar. 1948. 26 p. U408.3.A13 TM 11-2083 Mar. 1948