<div class="description">
<ul><li><b>Scope and content:</b>  Original caption: Vesuvius furnace stack. This was one of the first iron blast furnaces in the famous Hanging Rock Iron District in Southern Ohio. Built in 1833, used charcoal and air blast similar to other furnaces (this is known as "cold blast"). In 1836 the hot blast pr.</li></ul></div>
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Unknown author<span style="display: none;">Unknown author</span> or not provided</div>
August 1939<div style="display: none;">date QS:P571,+1939-08-00T00:00:00Z/10</div>
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>