File:Puddling furnace Refining.png

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Description
Français : Évolution de la composition chimique de la charge et du laitier pendant le puddlage.
English: Evolution of chemical composition of iron and slag during puddling.
Date
Source An Outline of the Metallurgy of Iron and Steel: Prepared for the Use of Students at the Massachusetts Intitute of Technology p. 121
Author Heinrich Oscar Hofman - Robert Hallowell Richards

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Puddling_furnace_Refining.png

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current16:30, 6 November 2017Thumbnail for version as of 16:30, 6 November 2017696 × 973 (96 KB)Borvan53 (talk | contribs)User created page with UploadWizard

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