File:Clepsydra-Diagram-Fancy.png

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Clepsydra-Diagram-Fancy.png ‎(296 × 558 pixels, file size: 57 KB, MIME type: image/png)

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Description Diagram of a fancy clepsydra. Water enters and raises the figure, which points at the current hour for the day. Spillover water operates a series of gears that rotates a cylinder so that hour lengths are appropriate for today's date. The ancient Greeks and Romans had twelve hours from sunrise to sunset; since summer days are longer than winter days, summer hours were longer than winter hours.
Date
Source Harry C. Brearly, Time Telling through the Ages, Doubleday, Page & Co. for Robert H. Ingersoll & Bro., New York, page 55. Digitized by Google Books on 2005-08-04 [1].
Author artist unknown, but the art director of the book was Walter D. Teague
Other versions Image:Clepsydra-Diagram-Fancy.jpeg

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Date/TimeThumbnailDimensionsUserComment
current23:17, 2 October 2016Thumbnail for version as of 23:17, 2 October 2016296 × 558 (57 KB)Cmdrjameson (talk | contribs)Compressed with pngout. Reduced by 41kB (42% decrease).
02:09, 28 April 2007Thumbnail for version as of 02:09, 28 April 2007296 × 558 (99 KB)Eubulides (talk | contribs){{Information |Description=Diagram of a fancy clepsydra. Water enteres and raises the figure, which points at the current hour for the day. Spillover water operates a series of gears that rotates a cylinder so that hour lengths are appropriate for today's

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