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Chemistry: weighing apparatus (top), evacuated [?] glass bulb for combustion with sunlight (below). Coloured engraving by J. Pass, 1801, after H. Lascelles. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.
![view Chemistry: weighing apparatus (top), evacuated [?] glass bulb for combustion with sunlight (below). Coloured engraving by J. Pass, 1801, after H. Lascelles.](https://iiif.wellcomecollection.org/image/V0025448/full/300,/0/default.jpg)