  Transcriber’s Note: The cover image was created by the transcriber and is placed in the public domain. NOTES UPON INDIGO.BY JOHN L. HAYES, SECRETARY OF THE NATIONAL ASSOCIATION OF WOOL MANUFACTURERS, FELLOW OF THE AMERICAN ACADEMY, AND CORRESPONDING MEMBER OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA. From “The Bulletin of the National Association of Wool Manufacturers.” BOSTON: PRESS OF JOHN WILSON AND SON. 1873. |
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