A rack switch of the Wengernalpbahn at Kleine Scheidegg seen on 20 March 2002.
Very uncommon is that the rail is not moved out of position at the point where
it is crossed by the rack. Two parts of the rack move next to it, forming a
steady line of teeth above the rail.
<p>
Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>