I'd be curious to know how the hammer works. The classic invention of the industrial revolution was Nasmyth's steam hammer, but plumbing providing steam at high

I'd be curious to know how the hammer works. The classic invention of the industrial revolution was Nasmyth's steam hammer, but plumbing providing steam at high pressure seems absent from this setup. Nasmyth's hammer was the first automatic hammer that could come down harder than just the acceleration due to gravity. So I'm very curious to know how that's being achieved here.