Ferrum arseniatum trophies The Tower of London can

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

Hackney Brook and St John's church

British men

15th May 1937

Ferrum arseniatum trophies The Tower of London canTwo 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.