Gunner Asch on Fri, 01 Feb 2019 15:23:43 -0800
typed in rec.crafts.metalworking the following:
On Fri, 1 Feb 2019 06:11:16 +0000 (UTC), Cydrome Leader
wrote:

It's some sort of press with a heavy wheel that spins back and forth and
presses on the work using a heavy screw.

No audio needed, just watch about 10 seconds

https://youtu.be/CLcAms8GgeM?t=427

What's the history of these, any is it something uncommon in the US?

**** thats old school! 1800s technology. Has to be a bitch to set for
travel as well.

Can you imagine the working conditions which made this an
improvement?

I mean, - the alternative is hitting them with a hammer.
--
pyotr filipivich
"With Age comes Wisdom. Although far too often, Age travels alone."