- 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 disguised) ... By William Symons, ...
- The practical gager: or, the young gager's assistant. ... The fourth edition. With an appendix; containing several additions, ... By William Symons, ...
- The practical gager: or the young gager's assistant. Containing those things necessary to be known and understood by every person that is employed as a gager or officer in the Revenue of Excise.
- The Practical Gager; or, the Young Gager's Assistant. Containing Those Things ... Necessary to be Known and Understood by Every Person That is ... ... With an Appendix. By William Symons,