very little is known of their history. It is known that the ancient Chinese developed a form of sundials c. 800 BCE, and the sundials eventually evolved...

are several different types of sundials. Some sundials use a shadow or the edge of a shadow while others use a line or spot of light to indicate the time...

time of day. Hence there are no hour lines on the dial and the time of day is read only on the ellipse. As with most sundials, analemmatic sundials mark...

oscillatory processes, such as the swing of pendulums. Oscillating timekeepers are used in modern timepieces. Sundials and water clocks were first used in...

Retrieved 24 December 2019. "Sundial - Encyclopedia Britannica". Britannica. Retrieved 28 June 2024. History of sundials Laurence, Ray (2006). Roman Pompeii:...

Many sundials bear a motto to reflect the sentiments of its maker or owner. Be as true to each other as this dial is to the sun. Begone about Thy business...

original on 1 March 2023. Retrieved 1 March 2023. R. H. van Gent. "A History of the International Date Line". Webspace.science.uu.nl. Archived from the...

1088/0143-0807/17/3/001. Anthony John Turner (1993). Of Time and Measurement: Studies in the History of Horology and Fine Technology. Ashgate Publishing Company...

Herodotus's attribution of the invention of the sundial to the Babylonians in 430 BCE, the earliest known sundials were simple gnomons of Egyptian origin invented...

The purpose of these so-called sundial guns is to announce the arrival of noon. Mayall, R. Newton; Margaret W. Mayall (14 June 2012). Sundials: Their Construction...

the hours. Sundials can be horizontal, vertical, or in other orientations. Sundials were widely used in ancient times. With knowledge of latitude, a...

Simson at Kirktonhall, West Kilbride. A Scottish Sundial at Ardrossan's Civic Centre Sundials of Scotland - a website for Scottish sundials by Dennis Cowan...

quotes of Diodorus's opinions on the meaning of a term. Alexandria Analemma Euclid History of sundials Diodorus of Alexandria." Complete Dictionary of Scientific...

Mayall, Margaret W., Sundials: Their Construction and Use, Dover Publications, Inc., 1994, ISBN 0-486-41146-X Waugh, Albert E., Sundials: Their Theory and...

The Sundial Bridge (also known as the Sundial Bridge at Turtle Bay) is a cantilever spar cable-stayed bridge for bicycles and pedestrians that spans the...

in many areas of technology. According to Hossam Elanzeery, they were the first civilization to use timekeeping devices such as sundials, shadow clocks...

Issue) for Yellott's biography. "sundials.org". sundials.org. "Selected Sundials of Arizona". North American Sundial Society. Retrieved 28 November 2015...

(1938). Sundials: Their construction and use (3rd ed.). Cambridge, MA: Sky Publishing. ISBN 0-933346-71-9. Rohr, R.R.J. (1996). Sundials: History, theory...

The history of watches began in 16th-century Europe, where watches evolved from portable spring-driven clocks, which first appeared in the 15th century...

Reckoning in the Medieval World – A study of Anglo – Saxon and early Norman Sundials. Great Britain, British Sundial Society 2010, pp. 46–46. Richard Fletcher...

sphere at the top of the pillar. "Pelican Sundial" is a misnomer, as the pillar contains 27 separate sundials. Nine of the sundials are found easily:...

and is one of three remaining sundials designed by him left in the world. The Sundial was founded in 1911 by several students in the style of other previously...

Mecca. In a treatise about astrolabes and sundials, al-Ashraf includes several paragraphs on the construction of a compass bowl (ṭāsa). He then uses the...

The history of creationism relates to the history of thought based on the premise that the natural universe had a beginning, and came into being supernaturally...

scratch dial, is a sundial marked with the canonical hours rather than or in addition to the standard hours of daylight. Such sundials were particularly...

meaning 'interpreter, discerner') is the study of the design, construction and use of sundials. The foundations of gnomonics were known to the ancient Greek...

Poland. The museum is focused on sundials and optical astronomical instruments. The museum began as a clock collection of the Przypkowski family, and was...

Albert E. Waugh (1973), Sundials:Their Theory and Construction, Dover, ISBN 0-486-22947-5 Rene J. Rohr (1996), Sundials:History Theory and Practice, Dover...

rings are mounted on a plinth, like armillary spheres, and can be used as sundials. The dial is suspended from a cord or chain; the suspension point on the...

Ptolemy. Greeks and Romans used large stone sundials based on "a partial sphere or scaphe,” the shadow of the tip of the gnomon was the time-telling index....