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16th Jul 2021, 15:07
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Asturias56
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Encyclopedia Britannia:-
Stone
, British unit of
weight
for dry products generally equivalent to 14
pounds avoirdupois
(6.35 kg), though it varied from 4 to 32 pounds (1.814 to 14.515 kg) for various items over time. Originally any good-sized
rock
chosen as a local standard, the stone came to be widely used as a unit of weight in trade, its value fluctuating with the commodity and region. In the 14th century England’s exportation of raw wool to Florence necessitated a fixed standard. In 1389 a royal statute fixed the stone of
wool
at 14 pounds and the sack of wool at 26 stones. Trade stones of variant weights persist, such as the
glass
stone of 5 pounds. The stone is still commonly used in
Britain
to designate the weights of people and large animals.
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