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Gunter's chain (also known as Gunter's measurement) is a distance-measuring device used for surveying. It was designed and introduced in 1620 by English clergyman and mathematician Edmund Gunter (1581–1626). It enabled plots of land to be accurately surveyed and plotted, for legal and commercial purposes.
In Australia and New Zealand, most building lots in the past were a quarter of an acre, measuring one chain by two and a half chains, and other lots would be multiples or fractions of a chain. [19] The street frontages of many houses in these countries are one chain wide—roads were almost always 1 chain (20.1 m) wide in urban areas, [ 19 ...
Edmund Gunter (1581 – 10 December 1626), was an English clergyman, mathematician, geometer and astronomer [1] of Welsh descent. He is best remembered for his mathematical contributions, which include the invention of the Gunter's chain, the Gunter's quadrant, and the Gunter's scale.
The link (usually abbreviated as "l.", "li." or "lnk."), sometimes called a Gunter’s link, is a unit of length formerly used in many English-speaking countries. In US customary units modern definition, the link is exactly 66 ⁄ 100 of a US survey foot , [ 1 ] or exactly 7.92 inches or 20.1168 cm.
Drawing of a circumferentor from the Cyclopaedia Circumferentor with Gunter's chain at Campus Martius Museum in Marietta, Ohio. A circumferentor, or surveyor's compass, is an instrument used in surveying to measure horizontal angles. It was superseded by the theodolite in the early 19th century. [1]
Following discussion at talk: chain (unit), it is proposed that this article be split so that it contains only material about Gunter's Chain. Material about surveying chains in general and non-UK chains in particular are to be moved to a new article. Any comments by Wednesday 12:00 UTC please, as I believe that it to be a non-controversial change.
I found this site telling us that Gunter's chain (or just "chain") is a unit of length equal to 22 yd. It also defines the terms engineer's chain and Rathbone's chain as measurement instruments of length 100 ft and 33 ft. Dondervogel 2 20:07, 21 July 2018 (UTC) And Google books tells us about 4 different chains Gunter chain: 66 ft
Stirling Point gateway sign. Stirling Point is a landmark at the southern end of the New Zealand suburb of Invercargill called Bluff, New Zealand.It is notable as the southern end of both State Highway 1 and Te Araroa; both these facilities span the length of the country.