The Cause of Eclipses

Print. Engraving: The Cause of Eclipses and the Motion of the Earth Delineated, engraved for the Universal Magazine, for I Hinton at the Kings Arms in St Pauls Church Yard, 1748. image 21x23.5cm. View of London, St Pauls and down to the river; two men, lower right, view through telescope; in sky, The Eclipse of the Sun as it will appear at London on July 14 1748. by Jos. Walker. three figured diagrams