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File:Dust catcher drawing.png

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Description
Français : Pot à poussière et descente de gaz d'un haut fourneau. Cette conception, décrite comme primitive par l'auteur, s'est finalement avérée plus efficace que ses variantes "améliorées".
English: Dust catcher (or dust pot) and gaz downcomer of a blast furnace. This design, described as an early form by the author, was finally recognized as more efficient than its "upgrades".
Date
Source Blast-furnace construction in America, p.292
Author Joseph Esrey Johnson, Jr. (1870-1919)

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Public domain
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United States
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current23:42, 25 June 2013Thumbnail for version as of 23:42, 25 June 2013422 × 794 (133 KB)wikimediacommons>Borvan53User created page with UploadWizard
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