More to explore:
Jang Yeong-sil - Wikipedia, the free encyclopedia
Seoul Gyeonbokgung Sundial, S. Korea
Sundial | The sundial has been used to measure time for 5,000 years.
Cathedral of Chartres - The Mighty Sundial
Equatorial sundials | The St. Petersburg, FL Equatorial Sundial
Multi-faced or polyhedral sundial, with 29 gnomons (the parts that cast shadows).
A truly odd looking sundial in Glamorgan, Wales, UK. Indeed. Looks like an equatorial sundial. The time would be indicated by the fin that does not throw a shadow?
Universal Equinoctial Sundial Month and hour markings From The Brass Compass
Le sphere de monde by Oronce Fine, 1549 k
For background see: bibliodyssey.blogspot.com/2010/11/celestial-mechanics.html
Sundial with Compass, signed Cadot, Paris, 1737. Note the wide range of latitudes covered.
Roman sundial on top of an Ionic column in the Temple of Apollo, Pompeii, Italy. #TuscanyAgriturismoGiratola
This is a "Delta" version of my new Bedknobs and Broomsticks sundial project. Here the upcycled parts are loosely connected to see if they fit. Much work remains to be done with the ever-present potential for a screw-up:-)