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| View Original: | Cross-sectional dxrawing from Ruber-Tip Pencil patent.gif (300x148) | |||
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| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Cross-sectional dxrawing from Ruber-Tip Pencil patent.gif Drawing from patent involved in Rubber-Tip Pencil Co v Howard case<br/> ;Other information In addition the work was created about 150 years ago so any copyright there was none is now expired en wikipedia original text 1 This is a drawing from the government-issued patent on the Rubber-Tip Pencil approx 1868 author PD-USGov Original upload log en wikipedia Cross-sectional+dxrawing+from+Ruber-Tip+Pencil+patent gif wikitable - 2015-10-02 19 06 300×148× 3548 bytes PraeceptorIP Uploading a public-domain item using File Upload Wizard Uncategorized 2016 May 6 | ||||
