Conn, Clear Bore, EE flat helicon, 3 piston, c.1879

200604[1]

Tag #: 200604
Serial #: 960

Bell Diameter Bore Size
13 3/4″ .620″

Comments:

“PAT. DEC. 2. 1879” on rim of bell. “MADE BY / C.G. CONN LTD. / Elkhart, Ind.” on bell.

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