<P> The Sholes and Glidden typewriter (also known as the Remington No. 1) was the first commercially successful typewriter . Principally designed by the American inventor Christopher Latham Sholes, it was developed with the assistance of fellow printer Samuel W. Soule and amateur mechanic Carlos S. Glidden . Work began in 1867, but Soule left the enterprise shortly thereafter, replaced by James Densmore, who provided financial backing and the driving force behind the machine's continued development . After several short - lived attempts to manufacture the device, the machine was acquired by E. Remington and Sons in early 1873 . An arms manufacturer seeking to diversify, Remington further refined the typewriter before finally placing it on the market on July 1, 1874 . </P> <P> 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 . </P>

When was the sholes and glidden typewriter invented
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