Delwedd:Roberts Richard from Roe 1916.png

Maint llawn ‎((843 × 1,000 picsel, maint y ffeil: 349 KB, ffurf MIME: image/png))

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DisgrifiadRoberts Richard from Roe 1916.png	English: A (drawing) portrait of Richard Roberts (1789-1864), a British engineer.
Dyddiad	Dyddiad anhysbys Unknown date
Ffynhonnell	Roe JW (1916). English and American Tool Builders. (https://books.google.com/books?id=X-EJAAAAIAAJ&printsec=titlepage#v=onepage)
Awdur	Unknown authorUnknown author
Caniatâd (Ailddefnyddio'r ffeil hon)	PD-old

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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	Dyddiad / Amser	Bawdlun	Hyd a lled	Defnyddiwr	Sylw
cyfredol	20:50, 15 Chwefror 2010		843 × 1,000 (349 KB)	Three-quarter-ten	{{Information \|Description={{en\|1=A (drawing) portrait of Richard Roberts (1789-1864), a British engineer.}} \|Source=Roe JW (1916). English and American Tool Builders. (http://books.google.com/books?id=X-EJAAAAIAAJ&printsec=titlepage#v=onepage) \|Author=Un

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