A Pathfinder: Discovery, Invention and Industry -- How the World Came to Have Aquadag and Oildag; Also, Carborundum, Artificial Graphite and Other Valuable Products of the Electric Furnace.
New York: The Press Scrap Book, 1910. Hardcover. Small 4to. Grey cloth, gilt. 14pp. Sewn-in red silk page marker. Frontispiece. Very good. Mild bit of edgewear and slight bit of soiling to binding. A tight, attractive first edition of this autobiography. More