Orchestral & Wind Instruments
Warburton Top Part 4 MBC for Cornet
Warburton Top Part 4 MBC for Cornet, Top Part 4 MBC for Cornet, Medium British cornet top, Inner cup diameter: 16.75 mm, Outer cup diameter: 27.30 mm, Silver-plated, Developed especially for use in brass bands
https://www.bizrate.co.uk/orchestralinstruments/warburton-top-part-4-mbc-oid6156667392.html
