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The rod, perch, or pole (sometimes also lug) is a surveyor's tool [1] and unit of length of 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.
Rod-shaped bacterium, a shape of bacteria such as E. coli; Rod (optical phenomenon), a photographic artifact claimed by some to be alien life; Rod (unit), an Imperial unit of length, also known as the pole or perch; Rod cell, a cell found in the retina that is sensitive to light/dark (black/white) Real-time outbreak and disease surveillance (RODS)
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A measuring rod is a tool used to physically measure lengths and survey areas of various sizes. Most measuring rods are round or square sectioned; however, they can also be flat boards. Some have markings at regular intervals. It is likely that the measuring rod was used before the line, chain or steel tapes used in modern measurement. [1]
Seems the value of a perch varied from 18-24' in the 1300's, and even in 1820, was between 16.5 and 25'. See the talk page at perch (area).I feel it would serve better to move the perch length info to a unified perch page that encompasses both length and area definitions, reflecting at least 600 years of use, and perhaps even explaining how one got to include the other, with a link here to ...
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His junior sporting career began at Saint Patrick's College Goulburn, then he moved to the senior school at Waverley College before going onto the University of Sydney. In an article in the Freeman’s Journal of 1931, it was stated that Rod O'Loan was the 1931 junior sprint champion over 100 yards in N.S.W., had won the Botany Junior Sprint title in 1931, was a champion high jumper at 13 ...
Professor Rodney Harris Smallwood FREng, HonFRCP, FIET, FInstP, FIPEM (born 1945), known as Rod, is a British medical engineer and computer scientist.. Smallwood graduated in Physics from University College London, then studied solid-state physics at Lancaster University, before working for the National Health Service in Sheffield and gaining a PhD from the University of Sheffield.