T. Sundara Row's geometric exercises in paper folding. Edited and rev. by Wooster Woodruff Beman and David Eugene Smith
A mathematics teaching manual by Tandalam Sundara Row, first issued in Madras and revised by Wooster Woodruff Beman and David Eugene Smith for the Open Court Publishing Company of Chicago in 1901, showing geometry through folded paper squares. Halftone photographs of creased sheets alternate with line diagrams of lettered points, triangles and intersecting rays, offering angular tonal facets and spare constructional linework.
