Updated through online information from John Igoe.
In Bynum Petty's book, this organ is identified with opus number 67.
Identified through information in the Pilcher factory ledgers and an emended page from a catalog of c. 1870. For more information see the document referenced below.
First volume of the Pilcher ledger says same as #17 & 18 (56n man, 17n ped). From Third Presbyterian, Springfield, IL (probably 1868)
In the first lists, this organ was originally assigned number 46.
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