A geometrical treatment of curves which are isogonal conjugate to a straight line with respect to a triangle.
Subtitle: In two parts. Part first
By: By I.J. Schwatt ...
Publisher: Leach, Shewell, and Sanborn
Published: 1895
Place of publication: Boston; New York [etc.]
Language: eng
Number of pages: 45
Subjects: Hyperbola; Ellipse