Victor Mahillon and Kathleen Schlesinger

Summary

Victor Mahillon and Kathleen Schlesinger 1911 Encyclopædia Britannica (1911)

First, the art of trombone playing was in the 15th century in Germany mostly in the hands of the members of the town bands, whose duties included playing on the watch towers, in churches, at pageants, banquets and festivals, and they, being jealous of their privileges, kept the secrets of their art closely, so that writers, such as the above, although acquainted with the appearance, tone and action of the instrument would have but little opportunity of learning much about the method of producing the sound.
Source: Wikisource

Victor Mahillon and Kathleen Schlesinger 1911 Encyclopædia Britannica (1911)

The quality of tone varies greatly in the different instruments and registers. The alto trombone has neither power nor richness of tone, but sounds hard and has a timbre between that of a trumpet and a French horn. The tenor and bass have a full rich quality suitable for heroic, majestic music, but the tone depends greatly on the performer's method of playing; the modern tendency to produce a harsh, noisy blare is greatly to be deplored.
Besides the slide trombone, which is most largely used, there are the valve trombones, and the double-slide trombones.
Source: Wikisource

Victor Mahillon and Kathleen Schlesinger 1911 Encyclopædia Britannica (1911)

There are seven positions of the slide on the trombone, each giving a theoretical fundamental tone and its upper partials a semitone lower than the last, and corresponding to the seven shifts on the violin and to the seven positions on valve instruments. These seven positions are found by drawing out the slide a little more for each one, the first position being that in which the slide remains closed. The performer on the trombone is just as dependent on an accurate ear for finding the correct positions as a violinist.
Source: Wikisource

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