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Item Type: Concertina
| Summary | Labels and Serial Numbers | End Frets | Fingering System | Straps and Holding Devices | Fret Baffle | Action Board | Reeds and Reed Pans | Bellows | Case and Other |
Fingering System
Fingering System: Anglo-German.
Fingering System Site Links: Links to data on fingering systems here.
Key/Buttons Summary: 20 plus 1 flat-topped bone keys, each stamped with numbers from 1 to 10. 10 keys plus 1 air button to RH, 10 keys to LH.
Keys/Buttons Quantity: 20 plus 1 flat-topped, number-stamped bone keys.
Keys/Buttons Material: Broad flat bone keys.
Keys/Buttons Base Mounting: A single felt washer. Turned bottom pegs of the bone buttons enter directly to holes in action board, the holes penetrating right through the action plinth and action board.
Air Button method: The Air key is fitted with a brass wire that passes through the action board and acts upon a spring-loaded air valve flap on the inner face of the RH reed pan.
