Royal Prussian Military Railway Prussian P 4.1 — Royal Prussian Military Railway Prussian P 4.1 · Unknown author Unknown author (uncredited)· Public domain

Royal Prussian Military Railway

🇩🇪 Germany ·2 types

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Oldest first. Sources: Wikipedia, Wikidata.· Royal Prussian Military Railway on Wikipedia. Photos from Wikimedia Commons. All operators.