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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 |
Action Board
Action Board Summary: Curved top brass sheet pivots, with tall rectangular slot receiving the bent brass levers within pivot, each pinned into "house-shaped" raised plinth of action board.
Action Board Pivot: Flat-plate pivots with side opening.
Action Board Levers: Steel wire levers, flattened at pivot area.
Action Board Springs: Brass.
Action Board Pallets: The pallets are of circular pale cardboard.
Action Board Air Valve: The Air key acts upon a brass wire poking through the frets, that passes through the action board and acts upon a spring-loaded air valve flap on the inner face of the RH reed pan.
Action Board Securing-screw pattern: One screw from lower area of action board entering via a cylindrical wood support, via the frets to the centre of the hand bar.
