depth of three feet but appears cleaner and in large lumps of ten or fifteen pounds weight. It is as white as snow and seems to exist in large quantities. Specimens have been for If one ounce of pereedered gum trajacanth in to a window; it will prevent the rays of the sun from getting in. 315 1851 SCIENTIFIC AMERICAN INC., 1851-06-21
depth of three feet but appears cleaner and in large lumps of ten or fifteen pounds weight. It is as white as snow and seems to exist in large quantities. Specimens have been for If one ounce of pereedered gum trajacanth in to a window; it will prevent the rays of the sun from getting in. 315 1851 SCIENTIFIC AMERICAN INC., 1851-06-21
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