[GreenKeys] interesting teletype articles

[Jim Haynes]

Some other interesting points are that the Model 31 article uses 
"teletype" uncapitalized several times, while the Bell System and
especially the company hammered endlessly but unsuccessfully to
tell that Teletype capitalized is a trade mark and is not to be used
uncapitalized as a generic term.  And I guess it's true that the Model
31 was the first practicable Teletype system for use in airplanes, but
we know experiments were done with air to ground teleprinter transmissions
back in the 1920s.  And they were planning the Model 28 to operate at 150
wpm.  Guess that didn't work out any better than running Model 15s at
100 wpm.

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 		Meredith Willson, The Music Man