Harmoniflute; lap organ

Harmonieflûte. Plain black wood ends, 18.5x6.5in/470x165mm, with straight sides; light wood wind chest section fretworked front and rear, with two sprung brass securing buttons. Left-hand end with black wood hand bar with four brass feet and two areas of perforated air valves. 37 small piano keys: 22 bone naturals and 15 ebony accidentals, plus bone button controlling dampers stopping off a musette set of reeds. Brass-tongued reeds on double or treble brass reed beds. 4-fold blue leather bellows with black papers. Left-hand hand strap added later. Oval impressed stamp on front action cover: 'Busson Brevete Paris'. No serial number.