Gear Technology Magazine
www.geartechnology.com/articles/21765-to-climb-a-mountain-a-railroad-needs-gears

To Climb A Mountain, A Railroad Needs Gears

July 1, 2003
Recently, the Addendum team has taken a keen interest in a Swiss mountain. being the Addendum team, we haven't been interested in this rocky, fissured mountain for it natural majesty.