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Coiled post horn.

Technical description: Copper, single terrace joint, probably French bell rim; two coils.; Nominal pitch: 2¾-ft G.; Usable pitch: Probably built for use at circa A₄=|446|Hz.

  • Measurements:Overall size: from plane of bell to bow proximal 170 in present condition; bell c|80.; Sounding length: minimum 788.; Bore: mouthpipe at 44mm from mouthpiece receiver (minimum bore) 7.2; at 394mm from bell end, c|9.45; at c|163mm from bell end, 13.35.B|=|0.61.Dia of mouthpiece receiver: m.r.t. 8.95 - 8.4.