PIANOFORTES, AMERICAN ORGANS, and HARMONIUMS by all the Best Makers.
"Personal Recollections of Birmingham and Birmingham Men" by E. Edwards
He was also the inventor of "Poikilorgue," an expressive organ, which was the origin of the harmonium.
"The Recent Revolution in Organ Building" by George Laing Miller
Indeed, there were some among them who deliberately said they preferred a harmonium to an organ!
"The Coxswain's Bride" by R.M. Ballantyne
PIANO, ORGAN, HARMONIUM, VIOLIN, VIOLONCELLO, MANDOLINE AND GUITAR.
"The Influence of the Organ in History" by Dudley Buck
Cheng, Chinese organ, with seventeen bamboo tubes, containing vibrating tongues of metal, like our harmonium.
"Musical Myths and Facts, Volume I (of 2)" by Carl Engel