Sundials - World's Oldest Clocks

North American Sundial Society


Sundial: 125
State/Province:  Massachusetts Country:  USA
Dial Type:  Collection Condition:  
  Latitude and Longitude:   
Location: Access: This is a private dial. See below for access details.
  • Harvard College Observatory, Transparency Room
  • Harold C. Ernst Collection
    Ernest G. Yalden Collection
General Information:
  • Owner: Harvard College
  • Designer:
  • Builder:

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Sundial = Civil + EoT

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