During its development, the typewriter evolved from a crude curiosity into a practical device, the basic form of which became the industry standard. The machine incorporated elements which became fundamental to typewriter design, including a cylindrical platen and a four-rowed QWERTY keyboard. Several design deficiencies remained, however. The Sholes and Glidden could print only upper-case letters—an issue remedied in its successor, the Remington No. 2—and was a "blind writer", meaning the typist could not see what was being written as it was entered.
Initially, the typewriter received an unenthusiastic reception from the public. Lack of an established market, high cost, and the need for trained operators slowed its adoption. Additionally, recipients of typewritten messages found the mechanical, all upper-case writing to be impersonal and even insulting. The new communication technologies and expanding businesses of the late 19th century, however, had created a need for expedient, legible correspondence, and so the Sholes and Glidden and its contemporaries soon became ubiquitous office fixtures. The typewriter is credited with assisting the entrance of women into the clerical workplace, as many were hired to operate the new devices.
Source: http://en.wikipedia.org/wiki/Sholes_and_Glidden_typewriter
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