Revolutionary War era, The Gentleman's Magazine, for April, 1776, by Sylvanus Urban, London, Printed for D. Henry, at St. John's Gate, containing a folding map titled A New Projection of the Western Hemisphere of the Earth on a Plane (Showing the Proportions of It's Several Parts Nearly As On a Globe) By J. Hardy (Teacher of Mathematics & Writing Master) at Eton College). 8 1/2" x 5 1/4".