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Francois-Vincent Raspail and Mateu Orfila during the Lafarge trial.
Dr. Paris is so delighted with making these arsenical colours, that, while writing on the subject, he has laid down his pen to “convince himself with how little trouble, and with how much pleasure and profit, such experiments may be conducted.” . . . If this be not mere childish play, it is at least the extravagance of a man transported with novelties. . . . Does not everyone perceive how much room there is left for the ardent imagination of a man zealous in the pursuit, to play on these colours[?]
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