In Taiwan, 20th century, a unit of area, approximately 3.306 square meters.
United Nations, 1966.
In England, 19th century, a unit of liquid capacity used for beer, ale and porter, = ½ firkin = 4½ gallons.
Alfred J. Martin.
Up-to-date Tables of Imperial, Metric, Indian and Colonial Weights and Measures…
London: T. Fisher Unwin, 1904.
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Last revised: 2 April 2011.