On Jan. 22, a team of Cache Creek Conservancy staff and interns worked with volunteer Rick Williams to install an “Analemmatic Dial.” ...
Use an online calculator or a dedicated sundial app to get the correct angles for your location. Selecting the ideal location ...
As the sun moved across the sky above, the shadow of the gnomon or pin would trace the reverse of its course through the inscriptions on the curve below. The hemispherium was carved out of a block of ...
This is a horizontal compass sundial, made of gilded silver. It is of 'Butterfield' type, named after English manufacturer Michael Butterfield, who popularised the adjustable bird gnomon.
The wooden discs contained elements characteristic of sundial-compasses, such as a hole for a gnomon and perimeter notches. The Kyiv and Listven discs feature a central hole that could hold the ...