Olds, mate. That's a corker. I like what looks like the innards out of an old AFA bell behind the hurdy -gurdy. That's effectively the panel and PSU, isn't it? You could be known as The Curator. Of the museum, that is.
Retro alarms. LOL
I did a search on Google and read something about early signalling systems and how they predated and later gave rise to city-wide phone systems in the US. The first electric burglar alarm was used in 1858, apparently.
Bit before my time.