Sundials - World's Oldest Clocks

North American Sundial Society

San Diego  

Sundial: 79
State/Province:  California Country:  USA
Dial Type:  Armillary Condition:  
  Latitude:   Longitude:
  • San Diego Zoo
  • An armillary dial 55 in. diameter designed by L. Gordon Plummer. Rings made of 1/75x2 in. hollow steel hoops. Possibly gone now. Member Woody Sullivan unsuccessfully attempted to locate this dial in 1992.
General Information:
  • Owner: Zoo
  • Designer: L. Gordon Plummer
  • Builder:
  • Construction Date: ca 1976
  • Sky & Telescope, July 1977, p.25.