I read a book called _The Victorian Internet_ which I found fascinating.
It's about the age of telegraphy and touches on tech that preceded it,
such as semaphore and relay stations. It's a great read.
> I wonder if there were any electrically-operated
semaphore stations
> around
> which pre-date wired telegraphy? Most countries had networks of optical
> semaphores which could of course route a message (the original idea
> seems