world exposition paris 1889, phonograph by thomas edison in the galerie des machines, visitors listen with earphones - thomas edison stock illustrations
edison's phonograph from 1879, wood engravings, published in 1880 - thomas edison stock illustrations
world exposition paris 1889, cannon salute on the eiffel tower, 3rd platform - thomas edison stock illustrations
antique illustration, physics principles and experiments, electricity and magnetism: edison machine - thomas edison stock illustrations
electromagnetic power machines, wood engravings, published in 1897 - thomas edison stock illustrations