(Astronomy.) James Ferguson: 'Astronomy Explained upon Sir I...

Hammer

£300

(Astronomy.) James Ferguson: 'Astronomy Explained upon Sir Isaac Newton's Principles, and made easy to those who have not studied Mathematics', London, printed for the author, 1757, 2nd edition, folding engraved frontispiece + 13 folding engraved plates complete, [8],283,[9]pp, bound together with 'A plain method of determining the parallax of Venus, by her transit over the sun: and from thence, by analogy, the parallax and distance of the sun, and of all the rest of the planets', London, for the author, 1761, 1st edition, 4 folding engraved plates complete, 54pp, 4to (25.5 x 20.5cm), contemporary calf, later rebacked; 'Lectures on Select Subjects in Mechanics, Hydrostatics, Pneumatics and Optics. With the use of globes, the art of dialing, and the calculation of the mean times of new and full moons and eclipses', London, A. Millar, 1764, 1st edition, 23 folding engraved plates complete, vii,[1],252,[4]pp, 4to, (26 x 21.5cm), contemporary calf gilt, front pastedown with bookplate of William Downes, 1st Baron Downes (1751-1826), one of the leading Irish judges of his time, who held office as Lord Chief Justice of Ireland (2)