A treatise on geometrical conics : in accordance with the syllabus of the Association for the Improvement of Geometrical Teaching / Arthur Cockshott and F.B. Walters. Cockshott, Arthur. Walters, F. B. author. Greenhill, G. (George), Sir, 1847-1927. fmo NNC Conic sections. QA559 .C6x 516.5 COT Rare Book copy: [Sir] A[lfred] G[eorge] Greenhill's copy, with his autograph and manuscript note, "From the Publisher," June 17, 1889. NNC London : Macmillan and Co., c1907. c1907. 1889 Text vi, 205 p. eng Treatise on geometrical conics. Treatise on geometrical conics.