The New universal ready reckoner, or Every trader's infallible guide [microform] : containing new and complete tables, most carefully cast up, exhibiting at one point of view the value or amount of any quantity of goods, in trade or merchandise, from one farthing to twenty shillings, not only by the pound, ounce, yard, ell, &c. but also by the long or short hundred ... : to which are added a valuable catalogue of weights, measures, &c. also tables for casting-up wages by the day, week, month, and year