Books › A descriptive catalogue of the musical instruments recently exhibited at the Royal Military Exhibition, London, 1890 …, 1891 › scan 220
Scan 220
A descriptive catalogue of the musical instruments recently exhibited at the Royal Military Exhibition, London, 1890 …, 1891
14 lines. Read by computer on 1 October 2026. Printed page 200. See the scan on archive.org.
1385.
3Bass Horn, or Valve Ophicleide, in F. This instrument is also called the clavicor. There are three pairs of pistons, and they are moved by a mechanism somewhat similar to that applied to the modern cylinder action. Each pair of pistons, in rising, opens air-ways, which throw the additional tubing into connection with the main wind-way of the instrument. The system is very similar to that of No. 383. The instrument is of German make, and of very indifferent intonation. It is, nevertheless, interesting as showing the transition stage between the ophicleide and the euphonion.
5Lent by the Conservatoire Royal de Musique, Brussels.
7386.
9Trumpet, with two horizontal valves. Marked "Improved and made by Chas. Pace, 49, King Street, Westminster."
11There are three tuning bits, two straight and one bent, and four crooks. The instrument, when played, is held horizontally as a slide trumpet; it is intended to be used with the bent tuning bit with every crook. With the long straight tuning bit and the bent one, the trumpet stands in F. With the different crooks and bent tuning bit, it stands in E♭, Eb, D♭, and C respectively. The pitch is much flatter than the present regulation pitch, and is closely in agreement with the French Diapason Normal. This pitch is about that of the Philharmonic Society, under Sir Geo. Smart, about 1830.
13The two valves are formed each by a single short inner tube, which slides inside the main tube of the instrument. As the centre of this inner tube is stopped, the air-way does not traverse the whole length of the valves; but it is diverted through a side-hole communicating with a short loop or bridge of tubing, by means of which it enters the valve again through another side-hole. A short arm projects from the valve through a slot in the main tube, by means of which the valve is connected with the actuating finger-piece, to which the spring is attached. When the valve is "down," the two side-holes, instead of being connected by the short loop or bridge-tube, are connected by means of a second loop, long enough to flatten the
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