edison's phonograph from 1879, wood engravings, published in 1880 - 湯瑪斯·愛迪生 幅插畫檔、美工圖案、卡通及圖標留聲機, 知識財產, 創新
world exposition paris 1889, phonograph by thomas edison in the galerie des machines, visitors listen with earphones - 湯瑪斯·愛迪生 幅插畫檔、美工圖案、卡通及圖標留聲機, 巴黎
wireless telegraph by thomas edison (1847-1931), wood engraving, published 1892 - 湯瑪斯·愛迪生 幅插畫檔、美工圖案、卡通及圖標電報機
world exposition paris 1889, cannon salute on the eiffel tower, 3rd platform - 湯瑪斯·愛迪生 幅插畫檔、美工圖案、卡通及圖標巴黎
vintage technical illustration of a berliner microphone transmitter patent engraving - 湯瑪斯·愛迪生 幅插畫檔、美工圖案、卡通及圖標
antique illustration, physics principles and experiments, electricity and magnetism: edison machine - 湯瑪斯·愛迪生 幅插畫檔、美工圖案、卡通及圖標
