The British calculator, or, trader's sure guide: adapted to the use of all persons who buy or sell any sort of commodities either in Wholesale or Retail. Shewing at One View, by exact tables ready cast up, the amount or value of any number or quantity of goods or merchandise, from one farthing to Twenty Shillings, either ... Ounce, pound, Yard, Ell, Hundred, Half Hundred, or Quanter, &c. &c. To which are added, several useful tables, calculated with the greatest accuracy.

Date:

MDCCLXXXII. [1782]