Queen Victoria's Consort - These are all 'trombones'. They all have cylindrical bore but vary hugely in design. These examples were made in Belgium, Italy and Czech Republic: 6 valve (Sax system)
![Trombone players in the procession of the Holy Blood on Ascension Day in Bruges, Belgium] | International Center of Photography Trombone players in the procession of the Holy Blood on Ascension Day in Bruges, Belgium] | International Center of Photography](https://s3.amazonaws.com/icptmsdata/a/p/a/c/capa_robert_2316_1992_471244_displaysize.jpg)
Trombone players in the procession of the Holy Blood on Ascension Day in Bruges, Belgium] | International Center of Photography
![Tenor valve trombone, ca. 1863, Paris, France, French, Brass, white metal, cork, 29 1/2 × 26 3/4 × 8 3/8 in. (75 × 68 × 21.3 cm Stock Photo - Alamy Tenor valve trombone, ca. 1863, Paris, France, French, Brass, white metal, cork, 29 1/2 × 26 3/4 × 8 3/8 in. (75 × 68 × 21.3 cm Stock Photo - Alamy](https://l450v.alamy.com/450v/2hhxe98/tenor-valve-trombone-ca-1863-adolphe-antoine-joseph-sax-belgian-active-france-saxs-system-of-six-independent-valves-was-devised-to-correct-the-intonation-problems-of-typical-three-valve-instruments-which-can-sound-out-of-tune-when-valves-are-used-in-combination-valve-trombones-were-useful-in-situations-where-using-a-slide-was-awkward-such-as-while-marching-or-playing-in-a-cramped-orchestra-pitthe-valve-system-used-on-this-instrument-is-detailed-in-saxs-1859-patent-france-no-39371-it-is-an-ascending-system-since-the-valves-do-not-add-extra-tubing-to-the-instruments-length-inst-2hhxe98.jpg)
Tenor valve trombone, ca. 1863, Paris, France, French, Brass, white metal, cork, 29 1/2 × 26 3/4 × 8 3/8 in. (75 × 68 × 21.3 cm Stock Photo - Alamy
![March Of The Belgian Paratroopers - Trombone 2 by James Swearingen - Trombone - Digital Sheet Music | Sheet Music Plus March Of The Belgian Paratroopers - Trombone 2 by James Swearingen - Trombone - Digital Sheet Music | Sheet Music Plus](https://www.sheetmusicplus.com/on/demandware.static/-/Sites-smp-main/default/dw8a2c79c4/images/4208/20184208_cover-large_file.png)