Hydra, from John Flamsteed's 'Atlas Coelestis' Size:S: 60 x 45cm either side contains text in

either side contains text in German

'A slap at the Charleys or a Tom & Jerry lark

Interior view of the Salt Tower within the Tower of London

Horse-drawn carts and carriages pass over the bridge alongside pedestrians

Hydra, from John Flamsteed's 'Atlas Coelestis' Size:S: 60 x 45cm either side contains text inThe constellation Hydra (the sea serpent), with Crater (the cup), Corvus (the crow or raven), Sextans (the sextant) and Virgo (the virgin). Map 14 from John Flamsteed's Atlas Coelestis, or star atlas (London, 1729). This was the first celestial atlas based on telescopic observations. Published posthumously, it was the work of the Astronomer Royal John Flamsteed FRS (1646 1719), and used the catalogue of 2935 stars in his 1725 Historia Coelestis