Nocturnal. Astronomical instrument, made of boxwood. Comprises of two circular shaped graduated pieces of wood, and a third piece with an extended arm…

Nocturnal. Astronomical instrument, made of boxwood. Comprises of two circular shaped graduated pieces of wood, and a third piece with an extended arm…

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Nocturnal. Astronomical instrument, made of boxwood. Comprises of two circular shaped graduated pieces of wood, and a third piece with an extended arm.

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