Some account of the discovery, made by the late Mr. John Dollond, F. R. S. which led to the grand improvement of refracting telescopes, in Order to Correct some Misrepresentations, in Foreign Publications, of that Discovery: with an attempt to account for the mistake in an experiment made by Sir Isaac Newton; on which Experiment, the Improvement of the Refracting Telescope Entirely Depended. By Peter Dollond, Member of the American Philosophical Society at Philadelphia [electronic resource].