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

@NanoRaptor I have a hand-cranked drill that belonged to my great grandfather, and maybe one of his uncles before that. It's at least 100 years old, probably older than that, similar to the one in this article: https://www.instructables.com/Old-school-hand-drill-overhaul/

Still works great!

Old School Hand Drill Overhaul.

Old School Hand Drill Overhaul.: This instructable hopes to inspire the voltage-heads out there to acquire a lo-tech backup for li-ion, ni-cad technology and then bring it up to a serviceable level. You never know - you may find that you use it more and more and electric drills les…

Instructables
@frownland These are so nice and convenient. I have two that have a hollow handle so you can store drillbits in it with the top unscrewing. One is a two-speed setup, although the transmission is really dodgy.
@smellsofbikes They really are. Mine's a two-speed as well... my grandad was pretty obsessive about keeping it oiled and rust-free so it's in good shape.