Ferrum arseniatum trophies Original is oil 90

Original is oil 90

15th May 1937

left Portsmouth

Hackney Brook and St John's church

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

Ferrum arseniatum trophies Original is oil 90Two 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.