231 cu. in. = 1 gal. liquid measure.

268 4-5 "          =1 gal. dry measure.

277.274 "          =1 imperial gal. of Great Britain.

2150.42 "          = 1 bushel of U. S.

2216.192 "          =1 " " Great Britain.

2747.7 "          = 1 heaped bushel.

1000 oz. or 62.5 lb. = 1 cu. ft. of pure water.

8 1-3 lb. pure water = 1 gallon.

5760 grains               = 1 lb. Troy or apothecaries',

7000         "                   = 1 " avoirdupois.

24.75 cu- ft-              = 1 perch of masonry.

36 to 45 cu. ft.         = l ton anthracite coal.