Projective methods in plane analytical geometry. Scott, Charlotte Angas, 1858- Geometry, Analytic Plane. QA552 .S42 1900z 516.9 18 SCP Previous editions published under title: An introductory account of certain modern ideas and methods in plane analytical geometry. New York, Chelsea Pub. Co. [19--] [19--] 1900 Text xii, 290 p. eng