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The foot-poundal (symbol: ft-pdl) is a unit of energy, introduced in 1879, that is part of the Absolute English system of units, which itself is a coherent subsystem of the foot–pound–second system. [1] The foot-poundal is equal to 1/32.174049 that of the more commonly used foot-pound force.
The basic unit was the mina, which was defined as 1 sixtieth of a maris, which itself was the quantity of water equal in weight to a light royal talent; the maris was thus equal to about 30.3 litres, and hence the mina is equal to about 0.505 litres. [1]
The poundal (symbol: pdl) is a unit of force, introduced in 1877, that is part of the Absolute English system of units, [citation needed] which itself is a coherent subsystem of the foot–pound–second system.
The candle and the foot-candle were the first defined units of light, defined in the Metropolitan Gas Act (1860). [8] The foot-candle is the intensity of light at one foot from a standard candle. The units were internationally recognized in 1881, and adopted into the metric system. [9]
The original Greek word translated as "mote" (κάρφος karphos) meant "any small dry body". [3] The terms mote and beam are from the King James Version; other translations use different words, e.g. the New International Version uses "speck (of sawdust)" and "plank". In 21st century English a "mote" is more normally a particle of dust ...
The Egyptian equivalent of the foot—a measure of four palms or 16 digits—was known as the djeser and has been reconstructed as about 30 cm (11.8 in). The Greek foot (πούς, pous) had a length of 1 / 600 of a stadion, [12] one stadion being about 181.2 m (594 ft); [13] therefore a foot was, at the time, about 302 mm (11.9 in). Its ...
half foot lichas λιχάς: 10 daktyloi 192.6 mm (7.58 in) distance from thumb-tip to tip of outstretched index finger [2] orthodōron ὀρθόδωρον: 11 daktyloi 211.9 mm (8.34 in) straight hand's width spithamē σπιθαμή: 12 daktyloi 231.2 mm (9.10 in) span of all fingers pous πούς: 16 daktyloi 308.2 mm (12.13 in) foot: pygmē
In the original Greek, this verse speaks of adding one cubit, a word and a measure of length derived from the forearm. [1] It was usually equivalent to about 46 centimetres or 18 inches. [2] It is odd to increase the lifespan by an amount of length, as a lifespan is measured in time, not distance. There are two methods of resolving this dilemma.