COWLEY (John LODGE). An Appendix to Euclid's Elements. In seven Books. Containing Forty-Two Copper-Plates. In which the Doctrine of Solids, delivered in the XI th , XII th , and XV th Books of Euclid, is illustrated and rendered easy, by New-invented Schemes cut out of Paste-Board. London, Sold by Mr. Watkins, Mr. Ayscough, Messrs. Heath and Wing, Mr. Bennet, and by the Author, 1758. 7 parts in one volume in-4°, half calf with corners, fine serrated border spine (English binding of the period). 26 pp of text & 42 plates mounted on mitre. FIRST EDITION. These 42 plates, printed on heavy paper, feature geometrical figures partially cut to cut to form polyhedra. RARE FIRST EDITION OF THIS GEOMETRY TREATISE FEATURING 42 THREE-DIMENSIONAL THREE-DIMENSIONAL EUCLIDEAN FIGURES FOR SPATIAL UNDERSTANDING. Binding damaged (boards detached); small ink stains on one page of text, light brown spots on a few plates; two old restorations on blank interleaves. interleaves.