Carl August Muller (1804–1870)

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Mainz, c. 1840

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Brass

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three rotary valves with 'Altmainzer action' for whole-tone. semitone and minor third; five tuning slides, six crooks, seven changing bits for the valves; matching case

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L. 1055 mm (tube with the shortest tuning slide); 0 128 mm (bell-rim)

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Bequest Dr. h.c. Wilhelm Bernoulli-Preiswerk

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lnv. 1980.2343.

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