The Archo-Noma Music Typewriter was invented ca.1937 by Carl Winterling. It would have been produced by the Archo Schreibmaschinen Company of Frankfurt, Germany. The Archo-Noma was a thrust-action music writing machine similar to the Melotyp.
Have some info about this typewriter? Have you found it? If yes, please email me at Antikey.Chop@gmail.com