In operation 1892-1907
hard porcelain (Industrial Directory 1906); porcelain electrical supplies (Harney 1929)
“The first high-voltage porcelain for line insulators (plastic process) made in the United States, was produced by Mr. B.B. Dinsmore, of the Imperial Works, Trenton, in 1894.”
— Brown, George Herbert. 1930. “History of the Ceramics Industry in New Jersey.” New Jersey: A History, edited by Irving S. Kull, pp. 1258-1277. The American Historical Society, New York, New York.
Federal Census of New Jersey. 1880. Industrial Schedule. On file, New Jersey State Archives, Trenton, New Jersey.
Industries of New Jersey, Trenton, Princeton, Hightstown, Pennington and Hopewell. 1882. Historical Publishing Company, New York, New York, Newark, New Jersey and Philadelphia, Pennsylvania.
Woodward, E.M. and J.F. Hageman. 1883. History of Burlington and Mercer Counties. Everts and Peck, Philadelphia, Pennsylvania.
Quarter-Century’s Progress of New Jersey’s Leading Manufacturing Centres. Dover. 1887. International Publishing Company, New York.
Harney, W.J. 1929. “Trenton’s First Potteries.” Sunday Times Advertiser, July 7, 14, 21 and 28, 1929.
Brown, George Herbert. 1930. “History of the Ceramics Industry in New Jersey.” New Jersey: A History, edited by Irving S. Kull, pp. 1258-1277. The American Historical Society, New York, New York.
F.A. Duggan; Imperial Porcelain; Imperial; Imperial Porcelain Works; Imperial Pottery; Imperial Pottery Works
Block and Lot:
Historic Street Address:
Klagg Avenue corner Mulberry Street; Mulberry Street near Canal
City of Trenton