shadow

The impossible Dihelion sundial photo

The impossible Dihelion sundial photo

We shot this impossible photo blind because there is no room to stand between the sundial and the house wall.

Dihelion is our well-known dual sundial design, which reads solar time and solar declination. It is impossible to take this photo in the normal way because the sundial is too close to the house, and there is nowhere to stand. So the photo was taken by holding the camera against the house and shooting blind. At a first attempt, the picture has turned out well. Continue reading

Share:

New design of armillary sphere takes shape in Edinburgh

New design of armillary sphere taking shape

A new design of armillary sphere takes shape in Edinburgh, inspired by an original sundial from Northern Italy. The skilled blacksmith work is complete. This is a bespoke design with gold highlights still to be painted.

A new design of armillary sphere has been taking shape in Edinburgh. It is inspired by an original sundial from Northern Italy which has an attractive and distinctive form. The expert blacksmiths at Ratho Byres Forge have done an excellent job in working from our design. Continue reading

Share:

Time lapse study of shadows and how a sundial reads the time

Time lapse on precision of a sundial

Time lapse camera set up for study of a sundial looking at precision of the time shadow

There are many interpretations of how well a sundial reads the time. It is often thought the smallest increment of time on a sundial will be around two minutes. This is because the large diameter of the sun gives a fuzzy edge to the time shadow. Our study looked at the shadow Continue reading

Share: