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File:Columbia bar lock polotre 2.jpg

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Italiano: Nel 1888 fu realizzata la prima macchina da scrivere con questo nome ( Columbia Bar-lock ) inventata da Charles Spiro. Il modello americano aveva 78 tasti, un tasto per ogni carattere, mentre 86 ne aveva quello europeo. Questa fu la prima macchina che utilizzò dei tasti di gomma dura
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Author Polo3 Fano

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current10:10, 2 March 2022Thumbnail for version as of 10:10, 2 March 20223,024 × 4,032 (614 KB)Canguromalato (talk | contribs)Uploaded a work by Polo3 Fano from Polo3 Fano with UploadWizard

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