Compass: C/E short octave to c3, 45 notes. Bellows: a pair of wedge-form bellows each with five sets of oak ribs lined with paper and hinged with white sheepskin; bottom boards: coniferous; top boards: panelled oak; each has a double flap-valve in the baseboard. Pallets: coniferous; pallet springs: iron, guided between iron pins. All windways equal width. Sticker action: stickers of fruitwood and iron wire, slightly splayed at either end of the compass.