Sundials - World's Oldest Clocks

North American Sundial Society

Washington  

Sundial 203
State/Province:  District of Columbia Country:  USA
Dial Type:  Horizontal Condition:  
Latitude:   38° 56' N Longitude:   77° 04' W
Location:
  • Bishop's Garden, north side of Washington National Cathedral.
 
Description:
  • In the Bishop's garden is a weathered 13th C. capital on which sits a 41 cm diameter horizontal brass dial. It is engraved with "Tho Heath, London" and the year 1712. On the noon line is the indication "Hammersmith", a location on the (then) outskirts of London at 51:30N 0:14W. Heath is one of the Grocers' Company mathematical instrument makers Many of Heath's dials have a coat of arms.
 
General Information:Inscription:
  • Owner: National Cathedral
  • It is engraved with "Tho Heath, London" and the year 1712. On the noon line is the indication "Hammersmith"
  • Designer: Thomas Heath
  • Builder:
  • Construction Date: 1712
 
References:
  • Geo. McDowel, Twelve Sundials of Washington DC, nr. 6