Clepsydra-Diagram-Fancy.jpeg (375 × 600 elementa imaginalia, magnitudo fasciculi: 57 chiliocteti, typus MIME: image/jpeg)

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Summarium

Descriptio Diagram of a fancy clepsydra, this type being an automaton or self-adjusting machine. 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.
Datum
Fons Abraham Rees (1819) "Clepsydra" in Cyclopædia: or, a New Universal Dictionary of Arts and Sciences The image is the JPEG reproduction published 2007-02-01 by the Horological Foundation.
Auctor The illustrator was probably w:John Farey, Jr. (1791–1851). The principal engraver for the encyclopedia was Wilson Lowry (1762–1824).[1]
Other versions Image:Clepsydra-Diagram-Fancy.png

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References

  1. Frances Robertson (2005-01). "The aesthetics of authenticity: printed banknotes as industrial currency". Technology and Culture 46 (1): 31-50.

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Historia fasciculi

Presso die vel tempore fasciculum videbis, sicut tunc temporis apparuit.

Dies/TempusMinutioDimensionesUsorSententia
recentissima18:55, 8 Ianuarii 2014Minutum speculum redactionis 18:55, 8 Ianuarii 2014 factae375 × 600 (57 chiliocteti)HohumCleanup
07:32, 30 Aprilis 2007Minutum speculum redactionis 07:32, 30 Aprilis 2007 factae375 × 600 (41 chiliocteti)Eubulides{{Information |Description= |Source= |Date= |Author= }}
05:06, 30 Aprilis 2007Minutum speculum redactionis 05:06, 30 Aprilis 2007 factae296 × 558 (27 chiliocteti)Eubulides{{Information |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

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