Microscopic view of an oyster shell Size:XXL: 127 x 100cm Pond Street

Pond Street

Original is oil on canvas 19 1/2x15 1/2 (inches)

X-ray image of Lord Balfour's left hand showing its bones and a faint outline of the soft tissue of his fingers

View of the semi-derelict square three-storey building high in the town of Padula

The boy is lent against a desk with books on

Microscopic view of an oyster shell Size:XXL: 127 x 100cm Pond StreetIllustrations 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