The second item is a Back Aline machine.
Some years ago I was participating in physical therapy to straighten my back from years of leaning over a drafting table.
Talking to the therapist I found that I had a common problem. After finding that out we decided that a lot of the cause of this condition could be ill designed furniture that breaks down.
So, after some research I designed the chair/spine measuring device.
It document the cure of the spine so a corrective apparatus could be built.
So, since I have a wood shop I built a prototype of my design as seen here.