Chopin (unit)

The chopin was a Scottish measurement of volume, usually fluid, that was in use from at least 1661, though possibly 15th century, until the mid 19th century.[1] The measurement was derived from the French measure chopine an old and widespread unit of liquid capacity, first recorded in 13th century. A chopin is equivalent to 0.848 litres.

D. Knuth [2] cites other equivavelences :

References

  1. ^ *Alexander Huntar, burges of Edinburgh (1624). A treatise, of vveights, mets and measures of Scotland. With their quantities, and true foundation, and sundrie profitable observations, arising vpon everie one of them. Together with the art of metting, measuring & compting all sort of land with diverse tables.. ISBN 90-221-0671-3. 
  2. ^ *Donald Knuth (1981). The Art of Computer Programming, Volume 2, 2nd ed., xiii+ 688pp. ISBN 0-201-03822-6. 

See also