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John Marshall, a pioneer in the world of spectacles & optics...
Item # 668726
October 04, 1692
THE ATHENIAN MERCURY, London, Oct. 4, 1692 Among the two advertisements on the back page is a quite lengthy & descriptive ad beginning: "At the Archimedes and Spectacles in Ludgate street, London, are made all manner of Prospective Glasses, Telescopes, Mycroscopes, Reading Glasses, Concaves Celinders... a Wheel Prospective with three Concaves in Eye-Glass, fit for any Weather, Invented by John Marshall..." with much more.
In the world of eye glasses, John Marshall was an early pioneer, having devised a method of grinding batches of identical, good quality, lenses of a specified focal length. For this he received a commendation by the Royal Society. He was also the optician to the King & Queen.
Complete as a single-sheet newspaper, 7 by 12 inches, foxing throughout, otherwise very nice condition.
Category: The 1600's and 1700's