Encyclopedia Dubuque
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
ROBERTS AND LANGWORTHY IRON WORKS
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ROBERTS AND LANGWORTHY IRON WORKS. Foundry. Located at 57 South Main, Roberts and Langworthy were manufacturers of "all kinds of grey iron castings" with special attention given to "fine light castings." This company was a predecessor of the ADAMS COMPANY.