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Keyed bugle.

Technical description: Copper with brass garland, mouthpiece receiver sheath, chimneys and keywork. The keys with leaf springs SATK, the spring ends running in channels on the keymounts.The open-standing bell key had a screw adjustment to regulate opening.With a small coiled copper and brass crook for B♭.; Nominal pitch: C.; Type or system: 7 keys.; Keyhead type: flat round with leather pads.; Keymount type: saddles.

  • Measurements:Overall size: from plane of bell to 6th key 428; bell 161.; Sounding length: maximum 1184 (in|C).; Bore: instrument body at c|35mm from mouthpiece/shank/crook receiver (local minimum bore), 12.3; at 592mm from bell end, c|22.9; at c|349mm from bell end, 32.4; at 14mm from bell end, 113.B|=|0.50 (in|C, all keys closed).Bell cutoff |1100|Hz.Dia of mouthpiece receiver: m.r.t. 13.05 - 112.35 (body mouthpiece/shank/crook receiver); 12.15 - 11.5 (crook).