File:Sampson Mordan 1822 pencil-holders patent.png
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DescriptionSampson Mordan 1822 pencil-holders patent.png |
English: Detail of the specification of the patent granted in december 1822 to Sampson Mordan and John Hawkins, for improvements on pencil-holders |
Date | |
Source | The Repertory of patent inventions: and other discoveries and improvements in arts, manufactures, and agriculture; being a continuation, on an enlarged plan, of the Repertory of arts & manufactures, a work originally undertaken in the year 1794, and still carried on, with a view to collect, record, and bring into public notice, the useful inventions of all nations. Volume II |
Author | Published for the proprietors by T. and G. Underwood |
Public domainPublic domainfalsefalse |
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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current | 12:06, 16 January 2012 | 864 × 550 (223 KB) | Lobo (talk | contribs) | {{Information |Description ={{en|1=Detail of the specification of the patent granted in december 1822 to Sampson Mordan and John Hawkins, for improvements on pencil-holders}} |Source =The Repertory of patent inventions: and other discoveries an |
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Horizontal resolution | 28.35 dpc |
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Vertical resolution | 28.35 dpc |
File change date and time | 11:30, 16 January 2012 |