Alfred James Hipkins and Kathleen Schlesinger

Biographical details

Alfred James Hipkins and Kathleen Schlesinger 1911 Encyclopædia Britannica (1911)

The American Organ acts by wind exhaustion. A vacuum is practically created in the air-chamber by the exhausting power of the footboards, and a current of air thus drawn downwards passes through any reeds that are left open, setting them in vibration. This instrument has therefore exhaust instead of force bellows. Valves in the board above the air-chamber give communication to reeds (fig. 2) made more slender than those of the harmonium and more or less bent, while the frames in which they are fixed are also differently shaped, being hollowed rather in spoon fashion.
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Alfred James Hipkins and Kathleen Schlesinger 1911 Encyclopædia Britannica, Volume 17… (1911)

The large double-necked lute, with two sets of tuning pegs, the lower for the finger-board, the higher for the diapason strings, was known as the theorbo; also, and especially in England, as the archlute; and, in a special form, the neck being then very long, as the chitarrone. Theorbo and chitarrone appear together at the close of the 16th century, and their introduction was synchronous with the rise of accompanied monody in music, that is, of the oratorio and the opera.
Source: Wikisource

Alfred James Hipkins and Kathleen Schlesinger 1911 Encyclopædia Britannica (1911)

There is an essential difference between the harmonium and the American organ in the direction of this current; in the former the wind apparatus forces the current upwards, and in the latter sucks it downwards, whence it becomes desirable to separate in description these varieties of free-reed instruments.
The harmonium has a keyboard of five octaves compass when complete, and a simple action controlling the valves, &c. The necessary pressure of wind is generated by bellows worked by the feet of the performer upon foot-boards or treadles.
Source: Wikisource

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