Cylindro-conoidal bore. Made in four parts: inner slide branch, slide, bell branch, and adjustable tuning shank (with knurled screw) between bell and slide. Nickel silver stockings at ends of inner slide. Mouthpiece missing.
Engraved on bell: Made / by the / Boston / Musical Instrument / Manufy: / 10988
1996, sold by Mel Rosenberg, Brass Buff Antiques, Newton, Massachusetts, to the MFA. (Accession Date: June 26, 1996)
Foster Charitable Fund