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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: The instrument's Action is made up of split scroll-topped brass with vertical slot, Wound-brass springs, and brass-sheet levers of "Chidley Lever Type 1" pattern, broader within the pivot area, and the pallets are now circular pale cardboard, all of a similar size.
Action Board Pivot: A split scroll-topped brass with vertical slot,
Action Board Levers: Brass sheet levers, thicker through pivot slot, of "Chidley Lever Type 1" pattern,
Action Board Springs: Brass
Action Board Pallets: The pallets are of circular pale cardboard, a material used on almost all subsequent instruments.
Action Board Securing-screw pattern: Trio of wooden cylindrical supports receiving the three screws from strap, finger-rest and top fret area.
Action Board Sub-fret-board Supports: 3 cylindrical chamois-topped pillars
