Harmoniflute; lap organ

Harmonieflûte, lap organ. Plain black wood ends, 18.5x6.75in/470x171mm, 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 natural notes 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 blue leather bellows with black embossed papers. Oval impressed stamp on front action cover: 'Busson Brevete Paris'. No serial number.