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Scientific American, Vol. 10, No. 28 (March 1855) (1855)

leaf 1

An illustration from Scientific American, Vol. 10, No. 28 (March 1855), 1855, leaf 1
ince, it, and reduces its brilliant tone from a vio- solution of alum, about i° Twad. It is best Light Logwood Purple—This is perform- it is said. We shall soon see whether Nicho- to run them twice through this liquor, to let hue to a rusty drab. ed in the same way as the last, only the cot- las… … Billiard Tables," you say, " This improve- is termed the plum tub. This is made by [Concluded from First Page.] opening the ports in the cylinder quickly by ment might be profitably applied to writing boiling logwood until it stands at least 6° The arc, G, is attached by a pin, j, to one causing…

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