This is one of the Hanau “University Series” articulators devised by Richard Beu and James Janik. There were 21 models available. This is a sturdily built, “wide body”, and non-arcon semi adjustable instrument. This model, with an occlusal plane analyzer (a.k.a., the “Broaderick Flag” , and Schuyler's modified incisal table and offset incisal pin, was used by the Pankey-Mann group after the Pankey-Mann Instrument was no longer used. This articulator and its accessories embodied all the attributes required for the Pankey-Mann Schuyler functionally generated path philosophy.
Dr. Edgar N. Starcke's articles in the Journal of Prosthodontics have more information on the history of articulators.