Oboe. Nominal pitch: C.

Technical description: African blackwood with silver plated keys and ferrules at the sockets. The reed-well and the sockets are lined with metal and the tenons are tipped in metal. Automatic octave keys with two duplicate touches. The linkage between the two octave touches has a roller mechanism to prevent the keys sticking. Depressing the G♯ key lowers the L3 ring. The four L4 keys mounted on the lower joint are arranged on a single axle in a double butterfly arrangement, lowB and E♭-dup making the upper wings and lowB♭ and F-dup the lower. The R3 F key has a roller to help the slur to D without using forked F. Depressing the lowC key lowers the R3 ring and the R2 plate and closes the brille. Depressing the lowB key closes the lowC key but not the C♯ key. There is an open-standing forked F vent. L0: TP; 8. L1: PP; 8-dup. L2: R; Dtr-dup. L3: R; D♭tr. L4: G♯; lowB; lowB♭; E♭-dup; F-dup. R0: sup. R1: R; TP-dup. R2: PP; Dtr. R3: R; lowC-dup. R4: lowC; C♯; E♭. Keymount type: pillars. Keyhead type: cups.