String Figures and Other Monographs

*String Figures and Other Monographs* contains four mathematical papers: *String Figures* by W. W. Rouse Ball, *Methods and Theories for the Solution of Problems of Geometrical Construction* by J. Petersen, *Non-Euclidean Plan Geometry and Trigonometry* by H. S. Carslaw, and, *A History of the Logarithmic Slide Rule* by F. Cajori.