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Keyed bugle.

Technical description: Copper with brass stays, mouthpiece receiver sheath, chimneys and keywork. Mainz bell rim. A finger-rest passes over the 3rd key from the bell. The keys with leaf springs SATK, the spring ends running in channels inside the keymounts. The open-standing bell key has a screw adjustment to regulate opening.; Nominal pitch: C.; Type or system: 6 keys.; Keyhead type: flat round.; Keymount type: saddles.; ; ;

  • Measurements:Overall size: from plane of bell to 5th key 437; bell 145.; Sounding length: maximum 1206.; Bore: instrument body at c|22mm from shank/crook receiver (local minimum bore), 12.35; at 603mm from bell end, c|20.2; at c|375mm from bell end, 28.55; at 7.05mm from bell end, 116.5.B|=|0.53 (all keys closed).Bell cutoff |1000|Hz.Dia of mouthpiece receiver: m.r.t. 12.95 - 12.4.