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A comprehensive dictionary of organ stops - Allen Organ Studio of ...

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DICTIONARY OF OKQAN STOPS. -89<br />

stand better in tune, and renders the tone purer, removing the wearisome<br />

clang or nasal sound, inseparable, even by such a past-master as Willis,<br />

from non-harmonic reeds. Such a combination <strong>of</strong> virtues should be<br />

sufficient to establish their irrefragable usage. After the super-excellent<br />

results, loud and s<strong>of</strong>t, achieved by the Willis system, the ultra-conservatism<br />

<strong>of</strong> those few builders who reject the harmonic system, must be described<br />

as nothing short <strong>of</strong> farcical.<br />

Harmonic Stopped Twelfth— zf ft.<br />

A stopped pipe <strong>of</strong> 4 ft. actual length, overblown to speak its first<br />

harmonic (the twelfth, 2§ ft.). The Harmonic Stopped Twelfth was introduced<br />

by Mr. Casson at Omagh, Co. Tyrone, Ireland. The tone <strong>of</strong> this<br />

stop is full and clear. In combination it is less assertive than the ordinary<br />

Diapason Twelfth, its influence, therefore, is such as to induce greater<br />

cohesion <strong>of</strong> tone. The stopped pipe is employed on account <strong>of</strong> its fewer<br />

harmonics. It is the harmonics and general lack <strong>of</strong> purity in the tone <strong>of</strong><br />

Mixture pipes which renders them so frequently unduly assertive in com-<br />

bination. The Stopped Harmonic Twelfth also sometimes admits ot<br />

effective use with other s<strong>of</strong>t registers as a timbre-creator. See Zauber-<br />

flote. Omagh; London <strong>Organ</strong> School; Chamber <strong>Organ</strong>, Cathcart<br />

House, Kensington, S.W. (Positive <strong>Organ</strong> Co.).<br />

HARMONIC TIERCE, TWELFTH, Etc.<br />

Mutation ranks are sometimes made <strong>of</strong> double length and harmonic<br />

intonation. The effect <strong>of</strong> this treatment is to increase their power without<br />

giving rise to concomitant development <strong>of</strong> their own upper partials. As<br />

a result they also stand better in tune and are less affected 'by fluctuation,<br />

<strong>of</strong> wind pressure than the true-length varieties. The practice is not unknown<br />

abroad. See Harmonic Stopped Twelfth. Maynooth College,<br />

Ireland (Stahlhuth) ; Emmanuel Church, Nottingham, Hucknall Torkard,.<br />

Nottingham (Musson & Compton).<br />

Harmonic Trumpet—(Fr.) Trompette Harmonique.<br />

8 ft.<br />

A clear-toned Trumpet, harmonic in the treble. The name is also^<br />

sometimes employed to designate a Tuba <strong>of</strong> somewhat lighter tone than<br />

the customary full and "thick" variety. See Tuba.<br />

HARMON IE—A prefix indicating (1) that the stop is voiced for combinational<br />

use. (Fr.) Cor d' Harmonie. Or (2) that the stop is <strong>of</strong><br />

harmonic structure. (Ger.) Harmoniefiote.<br />

HARMONIKA— Harmonica. Also Harmonikabass. 8 ft. ; 16 ft.<br />

An open Flute <strong>of</strong> s<strong>of</strong>t and delicate intonation, <strong>of</strong>ten slightly stringy in<br />

tone. It is generally made <strong>of</strong> wood and bearded. As a manual stop it is-<br />

quite unknown in this country. On the Pedal <strong>organ</strong> the Harmonikabass

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