T. Sundara Row's Geometric exercises in paper folding;
A mathematics teaching manual by T. Sundara Row, first published in Madras and reissued by Open Court in Chicago in 1901, demonstrating geometry through folded paper for students and teachers. Line diagrams of squares subdivided by creases, plotted curves and conic constructions sit beside halftone photographs of folded sheets, offering grid partitions, labelled axes and tonal paper-fold studies.
