Ofbyld:Skrifmaskin, Thurbers chirographer, Nordisk familjebok.png
Grutte fan dit proefbyld: 800 × 564 piksels. Oare resolúsjes: 320 × 226 piksels | 640 × 451 piksels | 1.024 × 722 piksels | 1.280 × 902 piksels | 1.823 × 1.285 piksels.
Oarspronklik bestân (1.823 × 1.285 pixels, bestânsgrutte: 125 KB, MIME-type: image/png)
Gearfetting
| Beskriuwing | Thurber's Patent Printer, an early prototype typewriter invented and patented by Charles Thurber, Massachusetts, USA, in 1843 for use by the blind. This is the drawing from US Patent No. 3228, dated August 26, 1843. Two of his innovations that are still used in mechanical typewriters today are a cylinder to carry the paper in a moveable carriage that advances with each letter typed, and a mechanism to advance the paper by one line each time the carriage is returned. Thurber never commercially developed this device, and by the 1900s the prototype was in a Worcester museum. For more information, see The typewriter: an informal history, 1977, IBM Archives, and Charles Thurber, US Patent No. 3228, Today in Science History |
| Datum | |
| Boarne | From https://runeberg.org/nfce/0633.html |
| Auteur | Charles Thurber |
| Tastimming (Reusing this file) |
Public domain - published in USA before 1923 |
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This image was first published in the 1st (1876–1899), 2nd (1904–1926) or 3rd (1923–1937) edition of Nordisk familjebok. The copyrights for that book have expired and this image is in the public domain, because images had no named authors and the book was published more than 70 years ago.
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This image (or other media file) is in the public domain because its copyright has expired and its author is anonymous.
This applies to the European Union and those countries with a copyright term of 70 years after the work was made available to the public and the author never disclosed their identity. Important: Always mention where the image comes from, as far as possible, and make sure the author never claimed authorship. |
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Note: In Germany and possibly other countries, certain anonymous works published before July 1, 1995 are copyrighted until 70 years after the death of the author. See Übergangsrecht. Please use this template only if the author never claimed authorship or their authorship never became public in any other way. If the work is anonymous or pseudonymous (e.g., published only under a corporate or organization's name), use this template for images published more than 70 years ago.
For a work made available to the public in the United Kingdom, please use Template:PD-UK-unknown instead.
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Triemskiednis
Klik op in datum/tiid om it bestân te besjen sa't it op dat stuit wie.
| Datum/Tiid | Miniatuer | ôfmjittings | Meidogger | Opmerking | |
|---|---|---|---|---|---|
| lêste | 7 des 2005, 00.52 | | 1.823 × 1.285 (125 KB) | Väsk | From http://runeberg.org/nfce/0633.html {{PD-Ugglan}} |
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