File:PSM V33 D315 Principle of the antisiphoning waste water trap.jpg

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Description Principle of the antisiphoning waste water trap
Date between 1887 and 1888
date QS:P,+1887-00-00T00:00:00Z/8,P1319,+1887-00-00T00:00:00Z/9,P1326,+1888-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 33
Author Unknown authorUnknown author
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Date/TimeThumbnailDimensionsUserComment
current01:56, 9 April 2015Thumbnail for version as of 01:56, 9 April 2015851 × 972 (130 KB)IneuwCleaned image and improved contrast
01:54, 9 April 2015Thumbnail for version as of 01:54, 9 April 2015851 × 972 (129 KB)IneuwCleaned image and improved contrast
04:49, 29 September 2010Thumbnail for version as of 04:49, 29 September 2010892 × 950 (129 KB)Ineuw{{Information |Description = Principle of the antisiphoning waste water trap |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_33.djvu/315 |Date = 1887-1888 |Author = Unknown |Permission = {{PD-old}} |other_versions = }}