check out: http://www.public.coe.edu/~rroeder/mf.htm
they have some info about the company in general, as well as a selection of catalogs and manuals.
if you're interested in how much some guys are willing to spend on these old machines, check out:
http://www.myoldtools.com/boring.htm I'm in the process of refurbishing an old Ajax Boring Machine. Its similar to to Millers Falls ones you see around, and it is adjustable to bore holes at up to a 45 degree angle. We'll see how many of the mortises for my new barn I actually bore using this tool as opposed to my electric Milwaukee auger.