What is a semaphore line?
Q: What is a semaphore line?
A: A semaphore line is an installation used to send optical signals, also known as an optical telegraph. It usually consists of signal towers with special installations on them or hand-held flags. The meaning of the signal is determined by the position of the elements, such as flags.
Q: How was information sent before the electric telegraph?
A: Before the electric telegraph, information was sent out using post riders.
Q: Who invented the optical telegraph?
A: The optical telegraph was invented by Claude Chappe.
Q: What does a person holding two semaphore flags represent?
A: When a person holds two semaphore flags it typically represents the letter "P".
Q: Where can Chappe semaphore towers be found? A: Chappe semaphore towers can be found near Saverne, France and at Louvre in France.
Q: How are signals read from a stable position?
A: Signals are read when they are in a stable position.