File talk:Bewegliches Herzstueck.jpg

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A movable-point frog! Wow, I didn't know such things existed. (I work for the Alaska Railroad.) Cluth 08:38, 15 August 2006 (UTC)[回复]

This
is also an interesting point (Pilatus railway in Switzerland) ZorkNika 18:44, 15 August 2006 (UTC)[回复]

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