3 couplers: horn. Nominal pitch: 1791mm coupler gives C basso with an A♭ crook.
Technical description: (3153a) 1 coil, (3153b) 2 coils, (3153c) 3 coils.
r.|parks, 16.3.91, 20.4.91.
formerly stock of Messrs. J. & R. Glen.; on loan to the Collection.