Physics:Wine gallon
A wine gallon is a unit of capacity that was used routinely in England as far back as the 14th century, and by statute under Queen Anne since 1707.[1][2] Britain abandoned the wine gallon in 1826 when it adopted imperial units for measurement. The 1707 wine gallon is the basis of the United States ' gallon, as well as other measures.[3]
The Imperial gallon was defined with yet another set of temperature and pressure values (62 °F (17 °C) and 30.0 inHg (102 kPa)).
To convert a number of wine gallons to the equivalent number of Imperial gallons, multiply by 0.833111. To convert a number of Imperial gallons to the equivalent number of wine gallons, multiply by 1.200320.
Some research concludes that the wine gallon was originally meant to hold 8 troy pounds of wine.[3] The 1707 British statute defines the wine gallon as 231 cubic inches (3,790 cm3) – e.g. a cylinder 7 inches (178 mm) in diameter and 6 inches (152 mm) high,[nb 1] c. 3.785 litre – and was used to measure the volume of wine and other commercial liquids such as cooking oils and honey.[4] A 14th-century barrel of wine contained 31.5 US gal (119 l; 26.2 imp gal), which equals one-eighth of the tun of 252 US gallons (954 L; 210 imp gal).
See also
Notes
- ↑ π was often approximated 3 1⁄7 at the time.
References
- ↑ "Wine Gallon". https://sizes.com/units/gallon_english_wine.htm. Retrieved 6 September 2016.
- ↑ "The Carysfort Committee & the Wine Gallon, 1758". https://sizes.com/library/British_law/Carysfort_Wine_Gallon.pdf. Retrieved 6 September 2016.
- ↑ 3.0 3.1 Rowlett, Russ (September 13, 2001). "Gallon". How Many? A Dictionary of Units of Measurement. University of North Carolina at Chapel Hill. http://www.ibiblio.org/units/dictG.html#gallon. Retrieved 2020-01-16.
- ↑ "wine barrel". Sizes.com. 2009-02-02. http://www.sizes.com/units/barrel_wine.htm. Retrieved 2010-07-29.
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