Ferrum arseniatum trophies View of nos 3 and

View of nos 3 and 4 Garden Court

September 15

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Hackney Brook and St John's church

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.