Technical description: Boxwood with brass keys. There are four ivory ferrules at the sockets, reed well and bell. There is an onion shaped baluster at the top of the instrument. R1 is a single hole. Despite there being no third key the C key has a fish tail touchpiece. There are two vent-holes in the bell. There is an inward flange at the base of the bell. Keymount type: raised rings; SATB. Keyhead type: flat, square, with truncated corners.