Gold - Assaying
Works from the collections
3 works
- E-books
- Online
The use of the hydrostatic balance made easy and applied particularly to the purpose of detecting counterfeit gold coin. With several Tables and Calculations relative to the Weight of Gold. By J. B. Becket.
Becket, John BriceDate: MDCCLXXV. 1775- E-books
- Online
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) Which will be of great Use to prevent Persons being imposed upon by any of those ... and adulterated Pieces of Gold Coin, which are too common at this Time. This is performed by a Pair of common Scales and a Set of Gold Weights, with the Hydrostatical Instrument herein described, which may be had at a very small Expence. By this Method not only Gold Coins, &c. but also all ... of Gold and Silver Plate may be weigh'd, and their ... Value ascertained to the greatest Nicety. By William Symons, Author of The Practical Gauger.
Symons, WilliamDate: MDCC.LVI. [1756]- E-books
- Online
An essay on weighing of gold , &c. wherein is shewn an effectual method for discovering and detecting of counterfeit pieces of money, on the principles of hydrostatics. Whereby not only Gold Coins, but also all Sorts of Gold and Silver Plate may be weighed, and the intrinsic Value thereof ascertained to the greatest Nicety. To which is prefixed, a very extensive table, wherein a great Number of Counterfeit Pieces of Metal, now circulating for genuine Gold, are described. The second edition. By William Symons, Collector Of Excise, Author of The Practical Gager.
Symons, WilliamDate: MDCCLXX. [1770]