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Bellows, probably used by Joseph Black

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Bellows, probably used by Joseph Black
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These bellows were probably used in classroom demonstrations or experiments by Professor Joseph Black (1728-99) at Edinburgh University. They were made in the late 18th century.

The mahogany base supports two leather bellow chambers hinged on opposite sides. An iron counterweight is attached to one chamber by an adjustable iron arm. The other chamber holds an iron arm for attaching to a pedal by means of a cord.

The bellows would have fed and regulated the flame of a blow-pipe, an instrument used in mineralogical investigation.

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