D. Gulland

Articles by this author

D. Gulland

Sundials and their History [Lecture to the Society, 1st February 2008]

Proceedings, Horology

TDGNHAS Series III, 82 (2008), 158(2.63 MB)


From earliest times mankind has used the movement of shadows produced by the apparent movement of the sun to reckon time and to determine the importance of daily and seasonal activities. Any device, which uses the direction of the shadow by the sun, or th