Darren Wershler-Henry, The Iron Whim: A Fragmented History of Typewriting


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Darren Wershler-Henry, The Iron Whim: A Fragmented History of Typewriting
http://raycy.seesaa.net/article/144764311.html

sun-in-lawとか、安岡孝一氏の論難フレーズ満載ぎみで心配だが、
でも、タイプバー同士の衝突頻度の多さを問題にしていたことを否定した資料には行き当たってはいないみたいだ。
The matter on which all sources seem to agree is that whatever configuration Sholes started with, the type bars began to collide with each other and stick when a typist of even moderate speed began to type.11 In Cognitive Aspects of Skilled Typewriting, William Cooper suggests that one of Sholes's major questions was the problem of how to minimize the jamming of the keys slowly returning to their home position with those just being struck. The solution was to move the keys that commonly stuck together to opposite sides of the keyboard. To this end, Sholes's partner James Densmore asked his son-in-law, the school superintendent for Western Pennsylvania, to prepare a list of the most common two-letter sequences in the English language.12 Speculation is that Sholes

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