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In rural areas the roads were wider, up to 10 chains (201.2 m) where a stock route was required. 5 chains (100.6 m) roads were surveyed as major roads or highways between larger towns, 3 chains (60.4 m) roads between smaller localities, [20] and 2 chains (40.2 m) roads were local roads in farming communities. Roads named Three Chain Road etc ...
Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.
The United States previously defined the furlong, chain, rod, and link in terms of the U.S. survey foot of exactly 1200 ⁄ 3937 metre, [14] resulting in a furlong approximately 201.1684 m long. The difference of approximately two parts per million between the old U.S. value and the "international" value was insignificant for most practical ...
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.
Calibrated chain, a type chain where the link lengths are within a given tolerance, so that it reliably engages with a windlass. Flat chain, form of chain used chiefly in agricultural machinery; Ladder chain, a light wire chain used with sprockets for low torque power transmission; Long link chain; O-ring chain, a specialized type of roller chain
The following is a list of straight-chain alkanes, ... 60 526 543 480: C 29 H 60: n-nonacosane: 30 4 111 846 763: 182 896 187 256: C 30 H 62: n-triacontane: 31 10 660 ...