RhB WS 3931, bicycle car originally built 1956 by SIG as B 2334
(18.26 m long), rebuilt 2003 to BD 2477 and shortened to 16.22 m
to allow operation on the Bernina line, rebuilt again 2019 to
WS 3931. Alp Grüm, 2019-10-04. 
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<a href="mailto:tbk.uncia@gmail.com">tobias b k&ouml;hler</a>