Typewriter

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An early typewriter
A later electric typewriter

A  typewriter is a mechanical machine that is basically used to type on a piece of paper without having to print. A machine with keys for typing letters, numerals, and symbols one at a time. Typewriters were created in 1829. Typewriters were originally invented to make writing faster and printing. Lots of  written work easier, and available for small businesses and individual use. Earliest typing was done on stone, clay, or metal sheets by inscribing them. The disadvantages of a typewriter is: The lack of memory on them. It's hard to correct things on them – if you make mistakes it's hard to fix them up. They would cost lots. One of the advantages of them though, is that they aren't electrical, so you don't need to plug them in, and hackers can't see what you've typed. On some typewriters, a separate type element (called a typebar) corresponds to each key. The first commercial typewriters were introduced in 1874, but did not become common in offices until after the mid-1880s. The typewriter quickly became an indispensable tool for practically all writing other than personal handwritten correspondence. It was widely used by professional writers, in offices, and for business correspondence in private homes. Typewriters were a standard fixture in most offices up to the 1980s. Thereafter, they began to be largely supplanted by computers. Nevertheless, typewriters remain common in some parts of the world, are required for a few specific applications, and are popular in certain subcultures. Early ones, and later cheap ones, were "manual" typewriters, powered entirely by the user. After the middle 20th century electric typewriters, powered by a motor, became commonplace.

Underwood 450, detail


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