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Musical Instruments.

Class 13.—Non-metallic wind instruments: with common mouth-pieces, with reeds with or without air-reservoirs.

Metallic wind instruments, simple, with lengthening pieces, with slides, with piston, with keys, with reeds.

Wind instruments with keyboards: organs, accordions, &c.

Stringed instruments played with the fingers, or without keyboards.

Stringed instruments with keyboards; pianos, &c.

Instruments played by percussion or friction.

Automaton instruments, barrel organs, bird organs.

Separate parts of musical instruments and orchestral appliances.