The complicated history of the Carpenter Organ Company and business
interests of E. B. Carpenter are detailed in Robert F. Gellerman's
excellent books, "The American Reed Organ" (published 1973), and the
second edition, called "The American Reed Organ and the Harmonium"
"Gellerman's Reed Organ Atlas" (1998) lists dates of manufacture
according to serial number. All of these can be ordered through
Amazon.com, or directly from the author, who is a member of this
Virtuoso Piano Service