Cavalry trumpet in two pieces, mouthpiece missing. [MJD 29/9/2008]

Collection type: Object
Description: Cavalry trumpet in two pieces, mouthpiece missing. [MJD 29/9/2008]
Geographical reference: United Kingdom of Great Britain and Northern Ireland
Europe > Northern Europe > United Kingdom of Great Britain and Northern Ireland; England London
Cultural groups: English
Person: Maker William Shaw; Field collector Unknown Collector; PRM source Donald Ferlys Wilson Baden-Powell
Date / Period: Date made: Before 1823
Date collected: By 1968
Acquisition information: Donated: 1968
Materials and processes: Material Brass Metal, Material Rubber Plant, Process Beaten, Process Spun, Process Decorated, Process Incised, Process Nailed
Dimensions: Length: max 702 mm bell piece, Length: max 700 mm broken piece, Diameter 123 mm bell, Width: max 67 mm
Object numbers: Accession number: 1968.23.1
Research and responses: Full name of Donald Baden-Powell source: Donor Index cards, Antiquities Department, Ashmolean Museum [L.Ph 23/3/2004]
Note that according to William Shaw's 'Harmonic Trumpet' Eric Halfpenny The Galpin Society Journal, Vol. 13. (Jul., 1960), pp. 7-13. Stable URL: http://links.jstor.org/sici?sici=0072-0127%28196007%2913%3C7%3AWS%27T%3E2.0.CO%3B2-P William Shaw ceased making instruments by 1823, either Baines is wrong in the note, or his date has been mistranscribed?