Microscopic view of an oyster shell Product:Fine art poster Longitudinal section of St John's

Longitudinal section of St John's Chapel in the White Tower

Southwark and the suburbs

East entrance to the cell in the south-west tower of the Tower of London

Boomtown Rats in concert at the Odeon

At the fifth attempt the two ships reached their destinations and the two continents were finally joined on 5th August 1858 starting at Valentia Harbour in Ireland

Microscopic view of an oyster shell Product:Fine art poster Longitudinal section of St John'sIllustrations 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