File:Pterotype.jpg
Pterotype.jpg (410 × 504 像素,檔案大小:51 KB,MIME 類型:image/jpeg)
說明
說明
摘要
[編輯]描述Pterotype.jpg | Photo of early prototype typewriter, the Pterotype ('winged type'), built by John Pratt, an American living in England, and presented at the Society of Arts in London and the Royal Society, in 1867. An article about it in the July 6, 1867 issue of Scientific American inspired many other typewriter inventors. A unique feature of the machine was that the typefaces were on a 'type plate', which was moved horizontally and vertically by the keys, and a hammer struck the paper from behind, driving it against the type. Pratt received British letter patent no.3163 on Dec. 1, 1866 and US Letter Patent No. 81000 on Aug. 11, 1868. Unable to develop it commercially, Pratt sold the rights to James Bartlett Hammond, and many of it's features were incorporated in the Hammond typewriter. For more information see Appleton's Annual Cyclopedia for 1890, p.809 Alterations: none. |
日期 | |
來源 | Downloaded 2008-1-11 from Office equipment and supplies at the 1876 Centennial exposition, Early Office Museum website. Source said it was copied from George Carl Mares (1909) The History of the Typewriter, G. Pittman, London, p. 34-41 |
作者 | George Carl Mares |
授權許可 (重用此檔案) |
Public domain - Mares died in 1926. |
授權條款
[編輯]Public domainPublic domainfalsefalse |
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本作品在其來源國以及其他版權期限是作者逝世後70年或以下的國家與地區屬於公有領域。 |
此作品無已知的著作權限制,亦不受所有相關和鄰接的權利限制。 |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Description Pterotype.jpg Photo of early prototype typewriter, the Pterotype ('winged type'), built by John Pratt, an American living in England, and presented at the Society of Arts in London and the Royal Society, in 1867. An article about it in the July 6, 1867 issue of Scientific American inspired many other typewriter inventors. A unique feature of the machine was that the typefaces were on a 'type plate', which was moved horizontally and vertically by the keys, and a hammer struck the paper from behind, driving it against the type. Pratt received British letter patent no.3163 on Dec. 1, 1866 and US Letter Patent No. 81000 on Aug. 11, 1868. Unable to develop it commercially, Pratt sold the rights to James Bartlett Hammond, and many of it's features were incorporated in the Hammond typewriter. For more information see Appleton's Annual Cyclopedia for 1890, p.809 Alterations: none.
Date 1909(1909)
Source Downloaded 2008-1-11 from Office equipment and supplies at the 1876 Centennial exposition, Early Office Museum website. Source said it was copied from George Carl Mares (1909) The History of the Typewriter, G. Pittman, London, p. 34-41
Author George Carl Mares
Permission (Reusing this image) Public domain - Mares died in 1926.
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目前 | 2008年1月11日 (五) 15:02 | ![]() | 410 × 504(51 KB) | Chetvorno(對話 | 貢獻) | {{Information |Description=Early prototype typewriter, the 'Pterotype', built by John Pratt, an American living in England, |Source=Downloaded 2008-1-11 from [http://www.earlyofficemuseum.com/centennial%20exposition.htm ''Office equipment and supplies at |
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