Monthly Archives: January 2019

Bookreview: Hebel, Riegel und Signale

Hebel, Riegel und Signale By Hans G. Wägli, Diplory Verlag, CHF 116, €107 During the 2018 IRSE Convention Hans G Wägli, SBB’s former press secretary, presented his book on the history and principles of Swiss Mechanical Signalling Technology. It is … Continue reading

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