Buescher, E flat tuba, 3 piston, 1913 Tag #: 200410 Serial #: 18247 Bell Diameter Bore Size Height 15.0″ .591″ 30 1/2″ Comments: “THE / BUESCHER / ELKHART / IND.” on bell. Floral engraving around identification marks. Share this:TwitterFacebookLike this:Like Loading...