Invention and Engineering
The Rete Adriatica Class 500 (Italian: Gruppo 500), classified after 1905 in the Ferrovie dello Stato Italiane (FS; Italian State Railways) as Class 670 (Italian: Gruppo 670) was an unorthodox and iconic cab forward 4-6-0 (2′C) steam locomotive.
GER Class C53.
HIsarna ironmaking process.
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