Optical telegraphy 1824, 2 vol.
Avslutad
2017-11-25
503150
| Klubbat belopp | 4 000 SEK |
|---|---|
| Utropspris | 5 000 SEK |
OPTICAL TELEGRAPHY 1824 (2). CHAPPE, IGNACE URBAIN JEAN. Histoire de la télégraphie, par M. Chappe l´ainé, ancien administrateur des lignes télégraphiques. Avec un volume de planches. A Paris, chez l´auteur, 1824.
8vo. 215 x 135 mm. (4), 268, (1) pp, 34 double page lithographed plates. Sewn as issued, uncut, in worn and partly loose original paper wrappers. A few minor stains, Occasional light foxing.
First edition. The optical telegraph, or semafore, was invented by the author´s brother Claude. Together they created a 120 km relay line on the 120 km between Paris and Lille in 1792. More lines were built and operated until 1846, when the electric telegraph was put in use.
