These are plans and photos of the combination winnower and thresher designed by John Howe of Waterford, ME during the 2000s and 2010s.
Scans of John's instructions for assembly and use are attached.
As of posting on 6/27, 2 pages of drawings are currently missing, but I have a lead to acquire them and will upload them ASAP.
Here is a link to a Farm Show Magazine article from 2014 about this machine.