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Flask, used by Joseph Black

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possibly made at Leith

Flask, used by Joseph Black
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This flask was used in classroom demonstrations or experiments by Professor Joseph Black (1728-99) at Edinburgh University. It was made in the late 18th century, possibly at Leith.

The round flask is of thick dark-green glass. The neck is broken close to the body.

With his separation and identification of the first gas distinct from air (carbon dioxide), Black may be considered the father of pneumatic chemistry. Other gases, notably oxygen and nitrogen, were discovered in quick succession by other scientists.

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