Sundials - World's Oldest Clocks

North American Sundial Society


Sundial 433
State/Province:  Ontario Country:  Canada
Dial Type:  Horizontal Condition:  Excellent
Latitude:   Longitude:  
  • 4925 Dufferin Street, South of Steeles Ave, between Atmospheric Environmental Services and University of Toronto Press
  • A striking 30 inch diameter horizontal dial. The equation of time correction is made by a slight rocking of the gnomon about the polar axis, controlled by a manual date index and a hidden cam mechanism. At the south end of the gnomon on the dial is a sunburst design. The octagonal pedestal is ornately covered with six copper plates. Each showing two zodiac signs in relief, forming a frieze 20 inches high around the pedestal.
General Information:Inscription:
  • Owner:
  • Dedicated to Alberta Patterson
  • Designer: Dr. John Locke
  • Builder: Laslo Buday
  • Construction Date: 1974