This organ dates between 1868 and 1880, based on the time period Whitney and Holmes operated at the address on the label inside the organ. 
The signature of Fred B.Nickols and the dates of January 16 and January 20, 1873, appear inside the organ case. It is believed Mr. Nickols was the actual craftsman who made the organ.  
The walnut flat-top cabinet is 42 inches long, 21 inches deep and 34 inches high.

The keyboard is F to F with 61 notes.
Serialnr. of the organ is 1977.

Stoplist:  
Diapason and Celeste, and a full-organ knee swell.

Company history:
Whitney and Holmes Organ Co., Quincy, Il. Established 1868 by August H. Whitney and Devine T. Holmes.

Manufacturing was discontinued in 1906 and the business continued as a piano dealership.