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15th May 1937
The Tower of London can be seen in the distance on the far bank
September 15
Hackney Brook and St John's church
British men
Ferrum arseniatum trophies 15th May 1937Two 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.
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