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.