File:Walloon hearth sketch.png

Walloon_hearth_sketch.png(605 × 565 pixels, file size: 188 KB, MIME type: image/png)

Summary

Description
Français : Croquis d'un four d'affinage de la fonte en acier naturel, selon la méthode wallonne. Ce foyer wallon a été utilisé en Suède à la fin du XIXème siècle.
English: Sketch of a finery hearth use to convert pig iron in charcoal-hearth iron, or wrought iron. This Wallon hearth was used in Sweden at the end of XIX century.
Date
Source The metallurgy of steel, p. 290
Author Henry Marion Howe (1848-1922)

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


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.

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Date/TimeThumbnailDimensionsUserComment
current20:11, 29 November 2014Thumbnail for version as of 20:11, 29 November 2014605 × 565 (188 KB)Borvan53User created page with UploadWizard
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