An essay on weighing of gold, &c wherein is shewn an effectual method for discovering and detecting of counterfeit pieces of money, (be they ever so artfully disguise) - Symons, William (Printed for James Hodges, 1756)
Errata preceding text. - Goldsmiths'-Kress no. 09170. - Higgs, H. Bibl. of economics, 1279. - OCLC, 23190571. - Reproduction of original from Goldsmiths' Library, University of London