Bass Trombone or Euphonium Mouthpiece

Catalogue number: 13.15

Original name: Bass trombone or euphonium mouthpiece by Boosey & Co. c.1870 - 1930.

Overall length: 73.1mm.

Inner rim diameter: 26.9mm.

Rim width: 7mm.

Depth of cup: 36.0mm.

Throat diameter: 6.1mm.

Inside shank diameter: End of shank bent inwards around the circumference, making a measurement of diameter difficult. c.9.8mm.

Inscription: “BOOSEY & CO. LONDON”.

Illustration references: See below.