On land-lines in the 1930s, teletypewriters automated encoding, and were adapted to pulse-code dialing to automate routing, a service called telex.
32.
The KW-26 ROMULUS was a second generation encryption system in wide use that could be inserted into teletypewriter circuits so traffic was encrypted and decrypted automatically.
33.
For example, Digital Equipment Corporation's PDP-15 Price List from April 1970 lists a number of Teletype Corporation teletypewriters using this alternate naming convention.
34.
Early text terminals used electro-mechanical teletypewriters, but these were replaced by cathode ray tube displays ( as found in 20th century televisions and computers ).
35.
Western Union offered connections from Telex to the AT & T Teletypewriter eXchange ( TWX ) system in May 1966 via its New York Information Services Computer Center.
36.
On teletypewriters and early keyboards, holding down the Control key while pressing another key zeroed the leftmost two bits of the seven bits in the generated ASCII character.
37.
In 1931, Kleinschmidt set up Kleinschmidt Laboratories, presently known as Kleinschmidt Inc, to further refine the teletypewriter and do research and development for the Teletype Corporation.
38.
The name " Teletype " was derived from the more general term, " teletypewriter "; using " typewriter " was a different contraction of the same original term.
39.
Because the requirements for rapid communications from the Department of the Navy to the fleet operational commanders had changed, the CNO authorized the activation of an additional teletypewriter system.
40.
Theater Access Project, ( 212 ) 221-0885, extension 257; the TTY ( teletypewriter ) number is ( 212 ) 719-4537; www . tdf . org.
