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Sholes's typewriter incorporated the same parts as Pratt's, but a key at the end of the machine's ribbon allowed letters to be struck. Sholes and Soule also invented an alphabetic-only tabulator at the beginning of the typewriter's ribbon, to which they gave the nickname "register", to allow them to produce documents on blank paper. Sholes's first typewriter design was a vertical, Sholes-Drag, which was soon replaced by the Sholes-Spring design, which was able to be folded up like an accordion. Many mechanisms are still in the Sholes-Spring design, including the "basket", where ink can collect.
The first models of the typewriter were clumsy and expensive, a low price was able to be maintained only because the expense of producing the first set of parts had been cut by a third, and then a further fifth, by using the services of a single manufacturer to design and produce it. In 1873, Sholes began the Key, which consolidated everything that was necessary to produce a document into one machine.[14]
On September 19, 1874, Charles Sholes and Glidden filed for a patent for the Key;[17] although the typewriter was almost ready, it was not yet considered ready for patent.[16] In 1874 Sholes gave a telegraphed lecture in which he described the Key and the preparation of documents by the machine. For that reason, the lecture was registered in the Patent Office and has been preserved. Sholes believed that publication is best done at this time, and not only because of the lecture, but also to demonstrate the machine's limitations, of which he well knew. d2c66b5586