Cooper, Hewitt & Company (Ringwood, N.J.) creator mixed material monographic eng 360,000 600 2 233.6 Business records of the iron works and glue factory at Ringwood, N.J., of Peter Cooper and Abram Hewitt. Open to research. Finding aid available in the Library of Congress Manuscript Reading Room. Cooper, Peter 1791-1883 Hewitt, Abram S. (Abram Stevens) 1822-1903 Adhesives industry New Jersey Ringwood Glue Iron industry and trade New Jersey Ringwood mm 82016816 Open to research. DLC 820422 20260227111712.0 mm 82016816