Sundials - World's Oldest Clocks

North American Sundial Society

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St. Louis  

Sundial 525
State/Province:  Missouri Country:  USA
Dial Type:  Horizontal Condition:  Excellent
Latitude:   38° 45' N Longitude:   90° 35' W
Location: Access: This is a private dial. See below for access details.
  • Private home rear yard
    937 Dover Place
  • This horizontal sundial is a 30 inch diameter and 1.5 inch thick sealed, copper-coated steel plate with cast lead hour markers and weighs 250 pounds. Built in 2002, it was installed in September, 2004 in a private home rear yard. Dial is supported by 6x6 inch pressure treated wood post with 4x4 inch cross frame. Viewing can be arranged by contacting the owner.
General Information:Inscription:
  • Owner: Mark Jefferies; contact phone 314-622-3400, Ext. 803
  • MMII
  • Designer: Karl M. Chauff
  • Builder: Karl M. Chauff
  • Construction Date: June, 2002