Sundial   735

  • Dial City:    Tucson
  • Dial State/Province:    Arizona
  • Dial Country:    USA
  • Lat:  31° 57.505' N
  • Dial Nr:    735
  • Dial Type:    Globe or Scaphe Dial
  • Dial Access:    Public
  • Lon:  111° 26.379' W
  • Dial Owner:    AURA/NOAO
  • Dial Designer:    Dr. Stephen F. Jacobs
  • Dial Maker:   
  • Dial Date:    1997
  • Location:
  • Kitt Peak National Observatory Visitor Center Patio 56 miles southwest of Tucson on State Highway 386 on the Tohono O'odham Indian Reservation
  • Description:
  • A fused silica glass spherical lens projects a solar image spot onto the inner surface of a spherical segment of glass with a frosted area inscribed with hour lines and Arabic hour numerals. Time is read from the bright spot of light on the frosted surface while standing under the dial. Dial is mounted atop a pipe pillar on the patio of the Visitor Center.
    Other References:
  • "Sun Clock Illuminates Sphere Optics," Photomics.com, June 2005
  • Optics & Photonics News, October 1997
Last Update: 6/16/2013 10:15
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