File:Mounting copper blast furnaces in a workshop.png

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Summary

Description	Français : Fabrication de hauts fourneaux destinés à la production du cuivre. English: Mounting of blast furnaces intended for copper production.
Date	1912
Source	Modern copper smelting p.125
Author	Donald M. Levy

Licensing

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.