F flute. Nominal pitch: E♭.

Technical description: Boxwood; 5 sections; silver keys; 5 ivory ferrules and cap; graduated screw-stopper; graduated wood-covered tuning-slide; metal-lined head; circular embouchure-hole. L0: B♭. L1: T. L2: T. L3: T. L4: G♯. R1: T; C. R2: T. R3: T; F. R4: D♯. Keymount type: ring/knob, with metal saddle for C key. Keyhead type: pewter plug, with metal-lined key-holes. Repair History: C key probably added to 4-keyed instrument (although a pewter plug like the other keyheads, it has a slim keyshank which does not match the style of the others, and is mounted on a metal saddle not a wooden block).