Bass Trombone or Euphonium Mouthpiece (Early 20th Century)
Catalogue number: 13.17
Original name: Bass trombone or euphonium mouthpiece. Early 20th Century.
Overall length: 74.6mm.
Inner rim diameter: 16.6mm.
Rim width: 6.2mm.
Depth of cup: 28.5mm.
Throat diameter: star-shaped throat, c.28mm.
Inside shank diameter: 16mm.
Inscription: 鈥淐HAPPELL鈥橲 / PATENT / 52 NEW BOND STREET / LONDON鈥� and on opposite side: 鈥淸EMRBE] / TRIANGULAIRE / MADIF [possibly a later inscription]鈥�
Illustration references: See below.