| Author |
Warner, John, of Campden
|
| Title |
The description and use of a new-invented portable instrument, for detecting frauds in base and counterfeit gold, by shewing the true weight of every piece of gold coin now current, with the quantity of gold and alloy in each, and also of adulteration, if any, it also proves the real value of rings, and other small toys made of gold. These instruments are made and sold, wholesale and retail, by John Warner, of campden [electronic resource] |
| Imprint |
Birmingham : Printed by C. Earl, at No. 50, Dale-End, [1773?] |
|
