A treatise on diamonds and pearls : in which their importance is considered : and plain rules are exhibited for ascertaining the value of both; and the true method of manufacturing diamonds (1751)
Jeffries, David · London : Printed by C. and J. Ackers in St. John's street, for the author · leaf 21
A 1ST L OF THE SUBSCRIBERS. I S Royal Highnels the Prince of Wales. Her Royal Highnefs the Princefs of Wales. His Royal Highnefs the Duke. A