The following Facebook page gives a look into the arcane art of fabrication and restoration of historic aircraft structures.
https://www.facebook.com/Briggs-Aerospa ... 067167222/Of particular interest is the brake press featured in the following video;
https://www.facebook.com/10219406716722 ... 660428396/This brake press was installed in the Commonwealth Aircraft Corporation's factory in the 1930s, and was used until the factory closed. It's nice to see that a big machine that was part of the construction of so many aircraft is still being used that way today.
The Briggs Aerospace page is worth following, as there aren't too many places where such work is posted for view. It's fascinating.