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NMM 6988.  Over-the-shoulder cornet in E-flat, probably Bohemia or Saxony, third quarter 19th century.
Joe R. and Joella F. Utley Collection of Brass Instruments, 1999.

NMM 6988.  Over-the-shoulder cornet in E-flat, probably Bohemia or Saxony, ca. 1875

This unmarked, over-the-shoulder cornet may have been produced in Europe for the American market, but no dealer's markings can be found. Rotors with an internal stop are rarely found among American string rotary valve brasses. This design has the advantage of keeping dust and dirt away from delicate action parts and was a common configuration on instruments made in regions of Europe such as Bohemia and Saxony.

Body:  Brass body:  leadpipe with telescopic tuning slide, valve cluster, bell bow and bell. Overlapping tab seam with gusset (tabs 2 mm wide and 14 mm apart). No garland; French rim with iron-wire insert. Three different types of ferrules: undecorated, vaulted, and with one engraved line adjacent to each edge. Bell to the left of the leadpipe.

Rotary Valves

Valve detail

Click on image above to see a larger image

In this valve design, the horseshoe stop is hidden below the top valve cap; left valve in on position, right valve in off position.

Valves:  Three top-action, string-operated, rotary valves. Leaf-spring return mechanism; reciprocal driver pivot stopped internally by cork buffers on horseshoe-stop. Internal slide tubing. Windway: first, second, third valve.

Accessories and Sounding Length

Accessories:  original trapezoid oak case with iron, brass, and leather fittings.

Sounding length (including inserted tuning slide):  918 mm; internal diameter, leadpipe: 10.1 mm; internal diameter, tuning slide: 9.5 mm; bore diameter (inner valve slides): 10.1 mm; bell diameter: 136 mm.

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