Sundials - World's Oldest Clocks

North American Sundial Society

McDonald Observatory  

Sundial: 771
State/Province:  Texas Country:  USA
Dial Type:  Horizontal Dial Condition:  Excellent
  Latitude and Longitude: 30° 40.290' N  104° 1.357' W
Location:
  • McDonald Observatory
    Frank N. Bash Visitors Center
    3640 Dark Sky Drive
    McDonald Observatory, Texas
    About 16 miles NW from Fort Davis, Texas
 
Description:
  • A monumental horizontal dial on a cast concrete base with a 5 foot high polished granite gnomon. Hour lines radiate from the gnomon root and hour markers with Arabic numerals are placed on a square about the gnomon. Instructions for reading the dial are engraved on the side of the gnomon.
 
General Information:
  • Owner: University of Texsas McDonald Observatory
  • Designer:
  • Builder:
 

Last Revised: 6/12/2013 11:42

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