DETAIL, 3/4 VIEW OF HOT BLAST STOVE ON TOP OF FURNACE SHOWING CAST-IRON RETORTS AND TURNED HEAD (WHERE RAW MATERIALS WERE LOADED INTO FURNACE. Courtesy Library of Congress, Prints & Photographs Division, HAER, Reproduction number HAER MD,24-SNOHI.V,2-3
This photograph is by carnkie and was uploaded May 27th 2009. © carnkie please do not copy or distribute without prior express permission.
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