File:PSM V39 D037 Arrangement of the expansion coils in a paris rink.jpg

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Description Arrangement of the expansion coils in a Paris ice rink
Date
Source Popular Science Monthly Volume 39
Author Unknown authorUnknown author
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current20:19, 19 September 2015Thumbnail for version as of 20:19, 19 September 20151,511 × 1,147 (618 KB)Ineuw (talk | contribs)Cleaned image and improved contrast
06:00, 23 November 2010Thumbnail for version as of 06:00, 23 November 20101,517 × 1,147 (676 KB)Ineuw (talk | contribs){{Information |Description = Arrangement of the expansion coils in a Paris ice rink |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_39.djvu/37 |Date = 1891 |Author = Unknown |Permission = {

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