Harmoniflute; lap organ

Harmonieflûte. Plain black wood ends, 18.5x6.5in/470x165mm, with shaped sides. Light wood wind chest section fretworked front and rear, with two sprung brass securing buttons. Left-hand end has black wood hand bar, with four brass feet, and two areas of perforated air valves. 37 small piano keys: 22 ivory 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. Four-fold black leather bellows with black embossed papers. Oval impressed stamp on front action cover: 'Busson Brevete Paris'. No serial number.