Description
yellow and blue spectra with curves of maximum intensity (figures 1-3) and their combination into a solar spectrum (figures 4-5)
Referred to in the text as 'The Siamiri'
Plate 44 from the paper 'On the placenta'
Inscribed left: 'AVEBURY' in pencil and with an inscription in ink above [by Henry Oldenburg]: 'By Mr Awbrey july 8 1663'
Mick Taylor
Portrait of George Washigton mb-code 89P1908 yellow and blue spectra with
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