Sundials - World's Oldest Clocks

North American Sundial Society

Des Moines  

Sundial 106
State/Province:  Iowa Country:  USA
Dial Type:  Horizontal Condition:  Excellent
Latitude:   41°35' N Longitude:   93°36' W
  • West terrace of the Iowa State Capitol building
  • This beautiful horizontal brass dial is 24 inches in diameter, cast onto a larger circle 28 inches in diameter. The dial has raised hour, half-hour, and 15-minute lines drawn in esthetic proportions from 5 am to 7pm. Roman numerals are on the outer rim. In the center to the left and right of the gnomon is a table for the Equation of Time in 15 day increments. The dial rests on four brass columns 20 inches high, which are mounted on a brass base 28 inches in diameter. The entire structure is centered on a concrete octagon 6 1/2 feet across.
General Information:Inscription:
  • Owner: State of Iowa
  • Inscribed "To Honor Our Fathers The Grand Army of The Republic", 'Erected by the Daughters of Union Veterans of the Civil War 1861 - 1863", "September 1938"
  • Designer:
  • Builder:
  • Construction Date: 1938