Details of four nineteenth-century brass instruments on display in the Cutler Gallery.

Top:   a close-up view of European-made metal-linkage rotary valves inlaid with abalone and an example of Stoelzel valves on a British cornopean.

Bottom:   a detail of rare Vienna valves on a bombardon made in 1840 and two of the finely crafted keys on a British keyed bugle made about 1825.