DIBNER, Bern. Early Electrical Machines, Norwalk: Burndy Library, 1957, 4°, illustrations, original wrappers; Heralds of Science as represented by two hundred epochal books and pamphlets in the Dibner Library, Smnithsonian Institution, Norwalk and Washington: Burndy Library and Smithsonian, 1980, 4°, illustrations, original wrappers; and 2 other books by Dibner, Luigi Galvani (1971) and Leonardo da Vinci, Machines and Weaponry (1974). (4)