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Hansen Writin Baw

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The Hansen Writin Ball wis inventit in 1865 bi the reverend an principal o the Ryal Institute for the deaf-mutes in Copenhagen, Rasmus Malling-Hansen, 1835-1890. The writin ball wis first patentit an entered production in 1870, an wis the first commercially produced typewriter. In Dens it wis cawed the skrivekugle. The Hansen ball wis a combination o unusual design an ergonomic innovations, but like maist o the early 19t century typewriters, it did no allou the paper tae be seen as it passed through the device.