Pruefer · Clarinet · Bb
Silverthroat — Pruefer Silverthroat
Introduced1931 onwards
Discontinuedunknown
Pruefer's patented metal-lined upper joint, advertised as the Silverthroat; the patent date is the only firm year in the Pruefer line.
Metal lining (nickel alloy sleeve) in the upper joint, patented 1931; also built in hard rubber.
Where it sits. Introduced 1931, a current line. To date a specific Pruefer instrument, use the serial number — the model era is the context, the number is the date.