Sundial 613
- Dial City: Oakland
- Dial State/Province: California
- Dial Country: USA
- Lat: 37° 49.200' N
- Dial Nr: 613
- Dial Type: Equatorial Dial
- Dial Access: Public
- Lon: 122° 10.800' W
- Dial Owner: Chabot Science Center
- Dial Designer: Bill Gottesman
- Dial Maker: Bill Gottesman
- Dial Date: Donated March, 2002
- Location:
- Chabot Science Center Oakland, California
- Description:
- One of Bill Gottesman's unique-design Renaissance dials of cast and structural bronze with a 27 inch diameter helix with a celestial-north aligned axis. Time is told by a focused beam of light that moves around the helix throughout the day. The light beam is reflected from a long cylindrical unsilvered mirror in a structure that supports the helix. A sliding time scale within the helix can be adjusted for EOT and DST and includes longitude correction. Once this scale is adjusted for date, the dial shows civil, or clock, time. The dial base is cast bronze allowing adjustment for latitude and placed on a concrete pedestal.
- Dial Links:
- http://www.precisionsundials.com/renaissance.htm
Last Update:
2019-07-31 21:08