Sundial 970
- Dial City: Iowa City
- Dial State/Province: Iowa
- Dial Country: USA
- Lat: 41° 39.735' N
- Dial Nr: 970
- Dial Type: Equatorial Dial
- Dial Access: Private
- Lon: 91° 31.933' W
- Dial Owner: University of Iowa
- Dial Designer: James Van Allen
- Dial Maker: Physics Department
- Dial Date: circa 1960
- Location:
- University of Iowa, in the basement of Van Allen Hall. Contact the Department of Physics and Astronomy to view the dial.
- Description:
- An 2-foot diameter dial with a wide 8-inch equatorial band. Vertical lines mark half hours from 5 am to 7pm in Arabic numerals placed at both the top and bottom of the band. Zodiac declination with month and dates engraved. The shadow nodus is held in place by a horizontal rod. Time and date marks are faint, implying that the dial has been continually polished over the years.
- Other References:
- Dial was originally installed on the roof, but removed to make room for telescope. Sundial was set for a latitude of 41 deg 40 min N and a longitude of 91 deg 31 min W.
- Note: Dr. James Van Allen discovered the Van Allen radiation belt around the earth using the Navy Solrad satellites.
Last Update:
2019-07-27 09:36