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Lacquer is a finish material consisting of a dissolved solid in a volatile liquid.
Gibson and at least a few select other builders (Calace, Turturo, Embergher, etc.) dabbled briefly in the lyre mandolin, similar to the shape shown here.
Lyon & Healy
Lyon and Healy was a Chicago-based company that built a popular mandolin model that is still in favor with many of today's American classical players.
A virtuoso classical mandolinist and acoustical engineer, Lloyd Loar joined Gibson in 1919, a year after Orville Gibson's death.