Conn Low Brass
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Conn Dupont Baritone, Circa 1878
Conn "Patent Light Valve" Alto horn, Circa 1879
Conn Eb Tuba, Circa 1880
This tuba has Conns modified Stoelzel valves.
Conn Solo Eb Alto, Circa 1880
This Solo Alto has Conns modified Stoelzel valves.
Conn New Wonder Euphonium, Circa 1890
Conn Double bell Alto, Circa 1909
Double bell altos are quite rare compared to double bell euphoniums.