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St. Louis
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Sundial: 777
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| State/Province: Missouri |
Country: USA |
| Dial Type: Equatorial Dial |
Condition: Excellent |
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Latitude and Longitude: |
38° 36.915' N 90° 15.458' W |
| Location: |
- West end of Linnean House
Missouri Botanical Garden
4344 Shaw Blvd.
St. Louis
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| Description: |
- A cast aluminum equatorial dial 15 inches in diameter with a rotating, two-part, three-dimensional analemmic gnomon; this is a classic Schmoyer dial completed by Bill Gottesman. One gnomon half is used from summer solstice to winter solstice; time is shown by a beam of light passing through the gnomon slit to fall on the hour ring. The other gnomon half is used from winter solstice to summer solstice.
To read civil time, the gnomon is rotated to present the appropriate face square to the sun, allowing a narrow beam of sunlight to fall on the hour ring. Near the summer and winter solstices, the gnomon requires an additional adjustment by sliding along it polar axis. Properly set, the dial shows civil time accurate typically within 5 minutes.
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General Information: | - Owner: Missouri Botanical Garden
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- Designer: Richard L. Schmoyer
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- Construction Date: August 2008
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Last Revised: 8/4/2014 8:38:45
