; British units

; "avoirdupois weight" is "a British and American system of weights based
; on a pound of 16 ounces".

; "apothecary" is a pharmacist or druggist

unit link
unit rod            25              links
unit perch          1               rod
unit rood           40              perch^2
unit acre           4               rood

;---- Volume
Unit Minim          0.059194        centimeter^3
Unit Drachm         60              minim
Unit Ounces         8               drachm
Unit Gill           5               Ounces
Unit Pint           4               Gills
Unit Quart          2               pints
Unit Gallon         4               quarts
Unit Bucket         4               gallons     ;dry
Unit Bushel         8               gallons     ;dry
Unit Butt           126             gallons
Unit Last           80              bushels