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Updated: May 5, 2025
Away over those tree-tops is a faint purpurine pall, and below it lies London, with its strife and its misery, its wickedness and its vanity. Twenty minutes would take me into the heart of it. And if I chose I could be as struggling, as wretched, as much imbued with wickedness and vanity as anybody.
The middle plain, which had no other inlet than that whereby the ladies were come thither, was full of firs and cypresses and laurels and various sorts of pines, as well arrayed and ordered as if the best artist in that kind had planted them; and between these little or no sun, even at its highest, made its way to the ground, which was all one meadow of very fine grass, thick-sown with flowers purpurine and others.
He then proceeded to consider the manufacture of alizarine purpurine, and divided its manufacture into four stages: 1, the purification of crude anthracine; 2, the conversion of the purified anthracine into anthraquinone; and 3, the production of sulpho acid of anthraquinone and the conversion of this sulpho-acid into alizarine and purpurine.
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