The PATOS WurliTzer started life in 1926 as Opus 1497 in the Prospect Theatre in Brooklyn, New York. Around 1960 it was removed from the theatre and placed into storage by an individual with no firm plans for its use.
In 1974, PATOS purchased the instrument (then a 2/10) and moved it to Pittsburgh. Following a complete restoration effort, it was installed at Keystone Oaks High School south of Pittsburgh and was dedicated on February 18, 1978 with a concert performed by the late Don Baker who played to a sellout crowd of 1250. Since then, the organ has increased to its present size of three manuals controlling 19 ranks of pipes.