Sundials - World's Oldest Clocks

North American Sundial Society

Baltimore  

Sundial 243
State/Province:  Maryland Country:  USA
Dial Type:  Vertical Condition:  Excellent
Latitude:   39° 17' 14" N Longitude:   76° 38' 41" W
Location:
  • 1701-03 Frederick Ave, Union Square
 
Description:
  • 18 x29 inch vertical dial. Solar noon analemma, equinox and solstice lines, horizontal lines, line showing approx shadow lengths on April 15 and Aug 31. Lines sandblasted into veined white Carrera marble. Dial is calibrated for EDT. AM hours indicated by shadow of stile's western edge, PM, by shadow of its eastern edge. When shadow tip is bisected by appropriate seasonal segment of the line of the analemma, it is 1:06:35 PM.
 
General Information:
  • Owner: David Duggan
  • Designer: George McDowell
  • Builder: Etched by Loeblein Monuments, Baltimore
  • Construction Date: Jun-92