TOUCH TONE   » T R I M L I N E «       WesternElectric / USA (1968)
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Here the keys are illuminated by LEDs via the telephone line -
          Works well today too - especially when the power is off !

                Back to the DIAL Version ...

Henry Dreyfuss (1904-1972), a celebrated  industrial designer, gave
the 302, 500, PRINCESS  & TRIMLINE their style - He also designed
JohnDeere tractors, Hoover vacuum cleaners, and streamlined trains.

                Historical Remarks ...

The LETTERS ON THE DIALER are for  MEMORIZING TELEPHONE NUMBERS ...
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      1             4 = G H I     7 = P R S     0 = Operator
      2 = A B C     5 = J K L     8 = T U V
      3 = D E F     6 = M N O     9 = W X Y

impressum:
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© C.HAMANN    http://public.beuth-hochschule.de/~hamann    09/08/07