The name "orchestrion" has been applied to three different kinds of musical instruments:

1. A chamber organ , designed by Abt Vogler at the end of the 18th century, which in a space of 9 cub. ft. contained no less than 900 pipes, 3 manuals of 63 keys each and 39 pedals.
2. A pianoforte with organ pipes attached, invented by Thomas Anton Kunz of Prague in ??. This orchestrion comprised two manuals of 65 keys and 25 pedals, all of which could be used either independently or coupled. There were 21 stops, 230 strings and 360 pipes which produced 105 difierent combinations. The bellows were worked either by hand or by machinery.
3. A mechanical instrument, automatically played by means of revolving cylinders, invented in 1851 by F. T. Kaufmann of Dresden. It comprises a complete wind orchestra , with the addition of kettle-drums , side-drums , cymbals and triangle.