Letters [manuscript]

- creator: Chappe, Ignace Urbain Jean, 1760-1828 Burndy Library, donor. DSI
- contributor: Burndy Library, donor. DSI
- Keyword: Telegraph, Wireless
- years: 1809-1821.
- pages: 3 items.
- description: Three A.L.S. concerning the mechanical telegraph ; in French.
- download: pdf file