What's the oldest piece of machinery that you own that still works, for its original purpose, in (mostly!) its original state?

@NanoRaptor : A #Nikkormat FT3 from around 1977, who was, with the EM, one of the best #Nikon camera.

https://en.wikipedia.org/wiki/Nikkormat#Nikkormat_FT3

Nikkormat - Wikipedia