Cog railways
The cog railway
Published on 18 April 2006 (updated on 24 April 2006)
The cog railway (CFC for "Chemin de Fer à Crémaillère" in French) is composed of motorized cabins rolling on rails. Driving is performed via a toothed wheel rolling on the central cog rail. Both cabins operate on a single railway with crossing sections.

Cog railway of Chamonix (Mer de Glace)