George Cowie, Cowie's Printer's Pocket-Book and Manual… (1830)
“ To find the price of a Work by the above Table, suppose a sheet of leaded common matter containing 75 thousand letters:—take from the first column 70 and 5, and the sums on a line with them in the second column, add them together, and you will have the price of that sheet by letters; if solid, seek the sums in the third column ”
