Microscopic view of an oyster shell Size:XXL: 127 x 100cm It was thought that this

It was thought that this position was favourable as it relaxed the muscles and allowed them to stretch equally

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

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

the female in the act of catching a bee

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

Microscopic view of an oyster shell Size:XXL: 127 x 100cm It was thought that thisIllustrations 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