Sundials - World's Oldest Clocks

North American Sundial Society

Baltimore  

Sundial 327
State/Province:  Maryland Country:  USA
Dial Type:  Equatorial Condition:  Poor
Latitude:   39° 18' N Longitude:   76° 36' W
Location:
  • Johns Hopkins Hospital
    600 N Broad St. Between E. Monument St. and Jefferson St. In the driveway circle in front of the building facing McElderry St. Permission needed to get through the street gate.
 
Description:
  • The dial is a partial cylinder held upright at the proper angle by four ornate pillars. The gnomon is a wire stretched between another pillar at the south edge and the mouth of an eagle mounted on another pillar at the north edge. On the wire is a bead, the shadow of which falls on the cylindrical plate. The cylindrical plate has an analemma for each daylight hour of standard time.' (McDowell) One of three known to be made in this design. Another dial of this design, once in front of the Physical Laboratory at Northwestern University, was placed at a private residence in New Hampshire in 1973, Evanston, IL.
 
General Information:
  • Owner: Johns Hopkins Hospital
  • Designer: Albert Crehore
  • Builder: Albert Crehore
  • Construction Date: Est. 1905
 
References:
  • Fred Sawyer, "Albert Cushing Crehore (1868-1959)", NASS Compendium, September 2015, pp. 8-10