The Lowe "Unlimited" typewriter was invented by Austin Lowe of Minneapolis, KS, ca.1891. It was an early example of a bookwriter. Bookwriters typed down on the pages of an open book. The Lowe Unlimited would definitely have been a very large contraption.
Have some info about this typewriter? Have you found it? If yes, please email me at Antikey.Chop@gmail.com