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Tucson |
Arizona |
USA |
Horizontal Dial |
Dial 12 |
This concrete and adobe brick horizontal dial is approximately 8 1/2 feet in diameter with a triangular gnomon 25 x 32 inches. This is a large, but very plain sundial except for the shiny chrome plated gnomon. It lacks numerals, but has hour points and shows the cardinal points. The dial is corrected for longitude. The pedestal is missing some bricks and is adorned with graffiti. |
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Tucson |
Arizona |
USA |
Sun Alignment |
Dial 11 |
A "Stonehenge" or sun circle dial designed by Chris Tanz, Susan Holman, Paul Edwards and with the help of Will Grundy and sponsored by the Pima County Flood Control and Transportation Dept. The structure uses a broken circle of walls to create designs made of light based on the movement of the sun. The circle, 50 feet in diameter with 8 foot walls is modeled loosely on the Casa Rinconada kiva ruins in Chaco Canyon, N.M. The walls are of integrally colored concrete block, concrete, and flagstone. Lines on a bronze plaque indicate north and south and the direction of sunrise and sunset on the equinoxes and solstices. Holes in the wall do the same. Solar noon is marked when sunlight comes through a slot in the South wall and passes a line on the floor. |
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Ottawa |
Ontario |
Canada |
Horizontal Dial |
Dial 10 |
A bronze 12 inch diameter horizontal dial with hour lines from 4 AM to 8 PM and engraved Roman hour numerals and compass rose. This restoration was donated by Thomas Ritchie who remembered from his youth that the original dial was accidentally destroyed during the construction of the Parliament Library in 1872. The restored dial was unveiled May 19, 1921 by the Governor General, Sir Victor Cavendish, Duke of Devonshire.Dial sits atop light granite pillar approximately 18 inches diameter and 40 inches high. |
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Sun City |
Arizona |
USA |
Horizontal Dial |
Dial 8 |
A monumental horizontal dial in a gravel rock garden. Gnomon is 22 feet high, 40 feet long built from a structural steel "I" beam 64 feet long. Gnomon is supported by three concrete triangular legs and is encased in concrete with four shadow-casting style edges. A circular concrete walkway under the gnomon has painted Roman numeral hour markers. |
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Phoenix |
Arizona |
USA |
Horizontal Dial |
Dial 7 |
This large ground-level horizontal dial designed by Charles Keener. Dial is a circular concrete slab 62 in. diameter and 8 in. thick. The gnomon is 30 in. high, 41 in. substile, 55 in. stile. Dial has Roman numerals. Unfortunately, the 6AM and 8AM numerals are missing. Ground level dial composed of concrete slab 62 inch diameter and 8 inch thick. |
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Westbury |
New York |
USA |
Polyhedral Dial |
Dial 5 |
An old polyhedral dial set atop a tall stone column on the grounds of Old Westbury Gardens. |
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Tucson |
Arizona |
USA |
Equatorial Dial |
Dial 4 |
A bronze equatorial dial approximately 2 ft. in diameter designed by R. Newton Mayall. Mayall stated, "When I was asked to design the sundial in front of the Museum at Kitt Peak I was more than pleased, for it gave me a chance to work a semblance of astronomy into it. The design reflects the great telescope nearby, with its base and fork type mounting, the dial itself being the "telescope"." |
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Flagstaff |
Arizona |
USA |
Horizontal Dial |
Dial 2 |
Small bronze horizontal dial with a coarse chapter ring and Roman hour numerals. The gnomon is done as a gryphin. It was a gift from the observatory staff to Dr. Lowell. In a thank you note to his staff, Lowell stated, "Nothing could have pleased me more than that Sundial clothed with its mountain cloak, symbolic of when the sun always shines. It shall be inscribed with all your names and set up on the top of Mars Hill." The original square stone base is replaced by an irregular column of stone and concrete. The square plinth at top still supports the small horizontal dial. |
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Carefree |
Arizona |
USA |
Horizontal Dial |
Dial 1 |
A 90 ft. diameter horizontal dial with a large reflecting pool beneath the gnomon designed by architect Joe Wong and solar engineer John Yellott. The dial is constructed using a steel frame and covered in anodized copper. The hour markers are 4 ft. diameter concrete circles. The dial is designed to show solar time corrected for the time zone offset. Thus the hour markers have been moved ahead of the solar time position. The hour lines are separated by alternating dark and light colored stones. The gnomon itself is 4 ft. wide, 72 ft. long and the tip is 35 ft. high. A pilot dial at a scale of 1/4 in. =1ft. is at the South end of the large dial. It is constructed of gold-anodized aluminum with time lines at 10 minute intervals. An equation of time plaque is nearby. The upper surface of the dial formerly served as a solar water heater to provide hot water to the city's first office building. Numerals face outward, so that they are more easily read by viewers. |
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