Updated by William Dunklin, listing this website as a source of information: https://buildingthesocialgospel.com/2017/06/07/south-presbyterian-church-syracuse-ny/.
South Presbyterian has closed. Though the building is listed on the National Register of Historic Places, the art-glass windows were sold to a collector and the building is threatened with demolition (2017). Fate of the organ is unknown.
Information identifying this instrument from the Austin Organs, Inc. web site, accessed December 20, 2004: http://www.austinorgans.com/organ-research.htm.