2 results filtered with: Gold - Weight
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An essay on gold coin. In which is shewn the general use of currency, and the present state of our gold coin; with Arguments to prove the Necessity of a New Coinage; pointing out the distinct Value and Weight that each Piece of Gold ought to be of. Also the principles of hydrostatics, Shewing how to discover any Adulteration in Gold Coin, either by the Pen, or Tables ready calculated to shew the Par of Weight of each Piece, either in Air or Water. With a description and use of the most improved weighing instruments; shewing their Properties when really accurate. Intended For the Service of Bankers, Public Offices, and Trade in General. To this Edition is subjoined the Substance of the late Gold Act; with Answers to the very severe Strictures upon it, &c. in a Tract intitled A Critical Enquiry, &c. By Thomas Hatton, Author of a Treatise upon Clock and Watch Work.
Hatton, Thomas, active 1757-1774.Date: 1774- 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, William.Date: MDCC.LVI. [1756]