An interesting work car of the Wengernalpbahn seen in Grund on 21 March 2002.
It seems to be intended to oil the surfaces of the rails. Keep in mind that
this is a pure rack railway, the rails are not needed for traction.
<p>
Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>