24-inch kettledrum.

Technical description: Copper shell made from three sheets seamed together; release hole in bottom of bowl; metal reinforcing frame inside. Tuning T-handle on side at end of a metal shaft with two screw threads of opposite sense inside the bowl; two wooden threaded cross-pieces mounted on brass nuts on the screwed rod, each end of both cross-pieces fitted with a pulley; eight laterally-mounted pul…