""A Geometrical Treatment Of Curves, Part 1: Which Are Isogonal Conjugate To A Straight Line With Respect To A Triangle"" is a mathematical book written by I. J. Schwatt and originally published in 1895. The book focuses on the study of curves that are isogonal conjugate to a straight line with respect to a triangle. The author provides a detailed explanation of the geometrical treatment of these curves and their properties. The book is aimed at advanced...