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>On a simple means of separating the yellow colouring principle from madder, and rendering it proper to afford the red, lilac, violet, and brown colours used in dying and printing wool, silk, cotton, and linen
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On a simple means of separating the yellow colouring principle from madder, and rendering it proper to afford the red, lilac, violet, and brown colours used in dying and printing wool, silk, cotton, and linen
