Eiffel Tower, Paris: Thomas Alva Edison and another man chatting at the base of the tower. Photograph, 1889. https://www.rawpixel.com/image/13953298/photo-image-people-sword-clothingFree Image from public domain licenseThomas Alva Edison, from the series Great Americans (N76) for Duke brand cigarettes issued by W. Duke, Sons & Co. https://www.rawpixel.com/image/9611363/image-vintage-posters-edison-public-domainFree Image from public domain licenseAcoustics: an Edison wax cylinder recorder. Wood engraving. https://www.rawpixel.com/image/13963991/acoustics-edison-wax-cylinder-recorder-wood-engravingFree Image from public domain licenseEiffel Tower, Paris: Thomas Alva Edison and Adolphe Salles standing by railings on a platform of the tower. Photograph, 1889. https://www.rawpixel.com/image/13959210/photo-image-face-people-clothingFree Image from public domain licenseThomas Alva Edison. Wood engraving by M. K. L. Wright after V. Daireaux. https://www.rawpixel.com/image/13987454/thomas-alva-edison-wood-engraving-wright-after-daireauxFree Image from public domain licenseThomas Alva Edison. Reproduction of woodcut by W. Nicolson []. https://www.rawpixel.com/image/13975262/thomas-alva-edison-reproduction-woodcut-nicolsonFree Image from public domain license