Contra-Bass Trombone in C

Catalogue number: 7.8

Original name: Contra-bass trombone in C.

Maker: Boosey & Co.

Place of origin: London, 1896.

Serial number: 48257.

Overall size: 1224mm; bell diameter: 243mm.

Sounding length: 5398mm.

Bore: c 50mm from mouthpiece receiver: 12.7mm not expanding in 110mm from mouthpiece receiver; main tuning slide: first descending slide, 12.7mm; first ascending slide, 14.7mm; second descending slide: 15.6mm; second ascending slide: 16.3mm; joint, 18mm; valve tuning slide: 18.3mm-20.6mm.

Diameter of mouthpiece receiver: 13.7mm.

Technical description: New tuning slide made for B flat Nominal pitch. Double slide with gradated bore. First descending inner slide has been replaced.

Inscription: Engraved on Bell: “CLASS A / [motif: bugle] TRADEMARK / BOOSEY / BOOSEY 7 CO / MAKERS / 295 REGENT STREET / LONDON”.

Usable pitch: Plays at a’ = 466 Hz (high pitch).

Specific references: Boosey and Hawkes archive, accessed via Myers: Journal of Surviving Boosé, Boosey and Boosey and Hawkes brass instruments, with archival and catalogue data.

Illustration references: See below.

Recording references: Trombone recordings.

Previous owner: Lancelot Key.

Previous collection numbers: A and B: Item 95.

Collection assignation: Key Collection.

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