Cyclical vs Parapegma - What's the difference?
cyclical | parapegma |
A device for keeping track of cyclical events, particularly of stars, weather, seasons, and so on.
*{{quote-book
, year=2007
, author=Daryn Lehoux
, title=Astronomy, Weather, and Calendars in the Ancient World
, chapter=
, url=
, isbn=
, page=12
, passage=At its most basic, the word parapegma (plural:parapegmata) describes any instrument that tracked cyclical phenomena by the use of a moveable peg or pegs.}}