Three side-action rotary valves.
Embossed medallion on bell: GEBR. / ALEXANDER / MAINZ / W. GERMANY
Before about 1998, Robert Sheldon, Moultonborough, New Hampshire; by about 1998, sold by Sheldon to Robert M. Hazen, Bethesda, Maryland; 2012, gift of Hazen to the MFA. (Accession Date: November 28, 2012)
Gift of Robert Hazen
- Gebruder Alexander, German, active 1802–1950