To trisect any angle
Subtitle: revised and copyrighted July 21, 1917
By: by D. T. Turbyfill
Publisher: D. T. Turbyfill
Published: 1917
Place of publication: [Place of publication not identified]
Language: eng
Subjects: Trisection of angle
Notes: On Wrapper: To trisect any angle : containing an albegraic expression deduced from geometrical principles, which trisects any angle ...