有功勲章（Merit勲章）

有功勲章（Merit勲章）

Samuel Francis’ “Literary Piano,”

http://www.rutherfordjournal.org/article010105.html#sdfootnote41sym
The Rutherford Journal - The New Zealand Journal for the History and Philosophy of Science and Technology:

What makes the QWERTY example so compelling in network economics is that unlike other standards (such as the railway gauge or mains voltage) there would have been almost no manufacturing cost in supplying an alternative keyboard―it was largely a matter of which letter was attached to which type bar, and it was very easy to modify the production process.

Samuel Francis’ “Literary Piano,”
Beach’s Type-Writing Machine
In both machines the keys were arranged alphabetically.

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“Why Alphabetic Keyboards Are Not Easy to Use: Keyboard Layout Doesn’t Matter Much,”

# Manuel, T.
Molding computer terminals to human needs.
Electronics (June 30, 1982), 97-109.

Inverted "T" configuration of arrow keys is the most usable.

# JENNIFER 8. LEE
Defunct Keys and Odd Commands Still Bedevil Today's PC User

New York Times article describing PC keyboard layout and its history.

# Nakaseko, M., Grandjean, E., Hunting W. and Gierer, R.
Studies on ergonomically designed alphanumeric keyboards.
Human Factors 27, (1985), 175-187.

# Conrad, R., and Hull, A.
The preferred layout for numeral data entry keysets.
Ergonomics 11, (1968), 165-174.

# Norman, D.A., and Fisher, D.
Why alphabetic keyboards are not easy to use: Keyboard layout doesn't matter much.
Human Factors 24, (1985), 509-515.

# Noyes, J.
The QWERTY Keyboard: A review.
Int. J. Man-Machine Studies 18, 265-281

セン パレート最適

セン　パレート最適

大田 仁史 膝 痛

大田 仁史　膝　痛

New York Sun, 1895

［　］New York Sun, 1895, Speed of typewriters, Scientific American 72,15,April 13, p.235.[引用]