Telegram sent by G. Marconi in Wimereux to Édouard Branly in Paris, acknowledging Branly's work in developing the electric telegraph across the Channel. Photograph, ca. 1899.
- Marconi, Guglielmo, 1874-1937.
- Date:
- 1899
- Reference:
- 571653i
Licence: Public Domain Mark
Credit: Telegram sent by G. Marconi in Wimereux to Édouard Branly in Paris, acknowledging Branly's work in developing the electric telegraph across the Channel. Photograph, ca. 1899. Wellcome Collection. Source: Wellcome Collection.
