TY - BOOK AU - Hearn,George Whitehead TI - Researches on curves of the second order: Also on cones and spherical conics treated analytically, in which the tangencies of Apollonius are investigated, and general geometrical constructions deduced from analysis; also several of the geometrical conclusions of M. Chasles are analytically resolved, together with many properties entirely original AV - QA PY - 2005/// CY - Salt Lake City, UT PB - Project Gutenberg KW - Conic sections N1 - Release date is 2005-12-01; Original publication data not identified UR - https://www.gutenberg.org/ebooks/17204 ER -