UNfound:

The was the portable model of the Celtic typewriter. It was invented by a Mr. Gillant and produced by The Celtic Corporation of Paris, France, ca.1920. A desktop model of the Celtic was originally introduced by the The Societe des Moteurs Salmson, an engine manufacturer from Billancourt, Paris, France.

Have some info about this typewriter? Have you found it? If yes, please email me at Antikey.Chop@gmail.com