Tables of weights and prices, on a new plan [electronic resource] : By which the value of any quantity of goods, sold by avoirdupois weight, from a single pound to five tuns, and from two shillings to ten pounds ten shillings per hundred, may be known without the labour of multiplying or dividing. Particularly useful to dealers in hops, wool, hay, cheese, grocery, and other commodities. By J. Elmer, of Farnham, Surry.