Ferrum arseniatum trophies View of nos 3 and

View of nos 3 and 4 Garden Court

Paul Eddington and Penelope Keith

Hackney Brook and St John's church

The Tower of London can be seen in the distance on the far bank

September 15

Ferrum arseniatum trophies View of nos 3 andTwo specimens of iron arsenate crystals, here termed 'arseniate of iron' with figures showing their cubic crystalline form. Plate 87 from British mineralogy: or coloured figures intended to elucidate the mineralogy of Great Britain, by James Sowerby, volume 1 (London, R. Taylor & Co., 1804). The accompanying text states that 'This was mostly confounded with arseniate of copper until the celebrated Chenevix, by analysis, ascertained it see Phil. Trans.