File:Oil32day.png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:27, 10 March 2018		413 × 911 (573 KB)	commons>Materialscientist	{{Information \|description=Wigham's 31-day oil lamp. Invented in 1877 by John R Wigham. Fitted in a buoy or mounted on a tower. This example is an exhibit in National Maritime Museum of Ireland. It is the property of the Maritime Institute of Ireland. I took this photo on behalf of the MII. If reproducing please reference the museum. \|source=[https://en.wikipedia.org/wiki/File:Oil32day.png en.wiki] \|date=2006-12-07 \|author=Clem McGann (user:Lugnad on en.wiki) \|permission={{self2\|GFDL-with-disclaimers\|cc-by-2.5\|migration=relicense}} \|other versions= }} Category:John Richardson Wigham

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