Emerson, William. 1701-1782. No. 3 in **#E,5117.7 Calculation, libration, and mensuration; or the arts of reckoning, weighing, end measuring. Being e mechanical work, adapted to the business and practice of tradesmen and artificers. London: J. Nourse. 1770. 168 pp. Folded plates. 6°,
-Weights end measures.=Mensuration.