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KF5JRV > TECH 18.11.16 14:26l 27 Lines 1172 Bytes #-3220 (0) @ WW
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Subj: Underwood Sundstrand
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Underwood Sundstrand
Sundstrand produced the first adding machine with a modern 10
key layout. The ten key layout is the same that is used today
on computer keyboards, calculators, and cash registers. People
who need to calculate numbers quickly learn to input the
numbers without looking just like a touch typist. According to
the Swedish Typewriter Page - Sundstrand, Sundstrand was founded
by Swedish immigrant Oscar Sundstrand of Rockford, Illinois.
That site identifies the first Sundstrand with the modern keyboard
as coming from 1912 although A Brief History of Mechanical
Calculators identifies the date as 1914. The ten key Dalton
preceded the Sundstrand, although it had a two row
key arrangement different from the modern three row design
introduced by Sundstrand.
73 Scott KF5JRV
KF5JRV.#NWAR.AR.USA.NA
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