Square Piano Harmonium by Gilbert, T

This combination square piano-harmonium was made by Timothy Gilbert in Boston, Massachusetts about 1855. The harmonium, or reed organ, is mounted beneath the piano cabinet and shares the same keyboard as the piano. This instrument is serial number 5327 (piano) and serial number AE1803 (harmonium), has a compass of FF-a4, an English double action, felt hammers, double-strings throughout, 1 hand stop: silencing hammers, 4 pedals: harmonium swell, piano dampers, piano moderator, and harmonium pump, full iron frame, and a rosewood (?) case

Credit: Smithsonian