THE LONDON CHRONICLE, London, December 1, 1757  Within this issue is an ad for an instrument which helps detect fraudulent/counterfeit gold, which includes a nice illustrated woodcut of the patent for the device: "Bradford Darby & Hull's - by The Kings Patent".  News of the day with reports from throughout the world along with period advertising are present throughout.  Complete in 8 pages, measures approximately 8 1/2 by 11 inches, and is in good condition.