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Title: Joseph Black, Scottish chemist, 1787. Artist: John Kay
Caption: Joseph Black, Scottish chemist, 1787. Black (1728-1799), who discovered carbon dioxide and bicarbonates and formulated the theory of 'latent heat', out taking a walk.
Technique/material: ETCHING
Credit: Album / Ann Ronan Picture Library/Heritage-Images
Image size: 2748 × 4000 px | 31.4 MB
Print size: 23.3 × 33.9 cm | 1081.9 × 1574.8 in (300 dpi)