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The rod, perch, or pole (sometimes also lug) is a surveyor's tool and a unit of length with various historical definitions. In British imperial and US customary units, it is defined as 16+1⁄2 feet, equal to exactly 1⁄320 of a mile, or 5+1⁄2 yards (a quarter of a surveyor's chain), and is exactly 5.0292 meters. The rod is useful as a unit of length…
History, Applications, Measurement & Art
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feet unit rod chain perch rods also length used units square yards acre 16 area measure survey metres exactly one
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Rod (unit) | Imperial/US units | 16+1⁄2 ft | 1.00 | infobox |
| Rod (unit) | metric (SI) units | 5.0292 m | 1.00 | infobox |
| Rod (unit) | Unit of | length | 1.00 | infobox |
| Rod (unit) | Unit system | imperial/US units | 1.00 | infobox |
| surveyor lasers | instance of | first by steel tapes and later by electronic tools | 0.80 | text |
| optical target devices for surveying lands | instance of | first by steel tapes and later by electronic tools | 0.80 | text |
| North America | instance of | have been used for several centuries in Britain and in many other countries influenced by British practices | 0.80 | text |
| Australia | instance of | have been used for several centuries in Britain and in many other countries influenced by British practices | 0.80 | text |
| those used by George Washington were generally made of dimensionally stable metal | instance of | surveyor rods | 0.80 | text |
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