Functional diagram of the Riggenbach gear system of the Vitznau-Rigi Railway (VRB)
unbekannt
Zitation
Functional diagram of the Riggenbach gear system of the Vitznau-Rigi Railway (VRB), unbekannt. Bärtschi, Hans-Peter (1950-2022). ETH-Bibliothek Zürich, Bildarchiv. CC BY-SA 4.0