Ebook: Thomas Alva Edison: inventing the electric age

With the light bulb, the phonograph, motion pictures, and countless other technological marvels, Thomas Alva Edison revolutionized daily life as few people before or after him have done. ". . . his life reads like the adventure it was and will delight pleasure readers and information seekers alike. Adair (the author) carefully explains the scientific principles on which Edison based his work and devotes sidebars to particular inventions".--BOOKLIST.