Elements of Euclid; Viz. The First Six Books, Together with the Eleventh and Twelfth. The errors, by which Theon, or others, have long ago vitiated these books, are corrected, and some of Euclid's demonstrations are restored. Also the book of Euclid's Data, in like manner corrected by Robert Stimson, M.D. Emeritus Professor of Mathematics in the University of Glasgow. To this Ninth Edition are also annexed Elements of Plain and Spherical Trigonometry

8vo. [7], vi-vii, [2], 10-520 pp. Contemporary tree calf, decorations and rules in gold on the spine and brown morocco label lettered in gold on the spine; brown topstain, all edges decoratively sprinkled. Illustrated with three folding plates and with numerous in-text diagrams (note: the stubs for the two spherical trigonometry plates are present between pages 512 and 513 where those two folding plates appear in some copies, but here those two plates are bound in at the end). Books one through six, and books eleven and twelve included in this volume. With three additional works added (included in the pagination, but with separate title pages): "Notes Critical and Geometrical", and "Euclid's Data" both by Stimson and both dated 1794 and The Elements of Plain and Spherical Trigonometry also dated 1794. A handsome edition of Euclid's Elements with attractive typography. Very Good or better with light wear to the boards, nicely rebacked with the original spine laid down. Small bookplate of Sir Thomas Winnington on front pastedown and "T. Winnington Ch Ch" (Christ's Church, Oxford) stamped on free front endpaper.…