... described as containing pneumatic wind-chests throughout, and having an AEolian attachment. It is of three-manual compass, C.C.C. to C.4, 61 notes; and pedal compass, C.C.C. to F.30. The great organ has double open diapason (stopped bass), open diapason, dulciana, viola di gamba, doppel flute, hohl flute, octave, octave quint, superoctave, and trumpet,—61 pipes each. The swell organ has bourdon, open diapason, salicional, aeoline, stopped diapason, gemshorn, ... — Pulpit and Press • Mary Baker Eddy
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