PLAIN AND SPHERICAL TRIGONOMETRY 1706 FIRST EDITION

John Harris' "Plain and Spherical Trigonometry" leather bound book circa 1706 first edition with original owner's signature (J. Weekes) and a date of 1708; also with additional chapters on Spherick Geometry and Projections of the Sphere in Plano; 177 pages total and 8 fold-out plates, frontispiece page missing, otherwise a complete and extremely rare copy