Description
ROGET, PETER M. 1779-1869. Description of a New Instrument for Performing Mechanically the Involution and Evolution of Numbers. London: 1815. Offprint. 2 folding copperplate engravings. Disbound. Title page loose, some chipping to title page edges, toning. WITH: Engraved portrait of Roget by John Cochran after E. U. Eddis. London: 1839....