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Doppelschleife der Gotthardbahn bei Wassen. Doppelschleife der Gotthardbahn bei Wassen The image appears in Arthur Frst Die Welt auf Schienen google de id GhsTzNlsuEC printsec frontcover dq editions fPrVBBdkUC source bl ots bjMqxgQ sig vCiVNLvYbhffGPJnvuXg hl de sa ei lcUImtBcTesgatHYDg ved CDEQAEwAA onepage false Here is reprint