De qué está hecho telégrafo óptico
Chappe’s semaphore line.
- Semaphore tower — tiene como parte. A tower with movable sails.
- Semaphore signal arms — tiene como parte. The positions of the arms encode characters.
- Telescopio — tiene como parte. Operators read the neighbouring tower through a telescope.
- Lente — utiliza. Signals were read through telescopes.
- Telescopio — utiliza. Signals were read through a telescope.
- Palanca — utiliza. The arms were moved by a system of levers and rods.
- Madera — está hecho de. Chappe’s semaphore has wooden arms on a mast.