This section is from the book "Hill's Manual Of Social And Business Forms: A Guide To Correct Writing", by Thos. E. Hill. Also available from Amazon: Hill's Manual Of Social And Business Forms: The How-To-Do-Everything Book Of Victorian America.
cubic inches. . 1 cubic foot.
cubic feet....1 " yard.
cubic feet...1 cord (wood.)
cubic feet. .1 ton (shipping.)
cubic in.. 1 standard bu.
" " ..1 " gal.
cubic ft., four-fifths of a bushel.
To find the number of bushels in a bin of any dimensions, find the number of cubic feet by multiplying the three dimensions of the bin in feet; deduct one-fifth, and the result is the number of bushels.