File:PSM V33 D312 Step 1 of antisiphoning waste water trap.jpg

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Description Step 1 of 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
current01:39, 9 April 2015Thumbnail for version as of 01:39, 9 April 2015808 × 578 (75 KB)IneuwCleaned image and improved contrast
04:48, 29 September 2010Thumbnail for version as of 04:48, 29 September 2010853 × 566 (57 KB)Ineuw{{Information |Description = Step 1 of antisiphoning waste water trap |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_33.djvu/312 |Date = 1887-1888 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Categ