Microscopic view of an oyster shell Product:Fine art poster Pholis gunnellus

Pholis gunnellus

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Microscopic view of an oyster shell Product:Fine art poster Pholis gunnellusIllustrations accompanying a letter describing Antoni van Leeuwenhoek's microscopical observations, dated March 1682. An English extract was printed in Philosophical Collections ed. Robert Hooke (London, 1682) no. 5, pp. 152 160. The illustrations show an oyster shell (fig. 6), and Leeuwenhoek's hypothesis about the formation of oyster shells (fig. 7). Original: red chalk on paper. 1682