Analysis of information sources in references of the Wikipedia article "Mount Washington Cog Railway" in English language version.
On Aug. 27, 1869, the Grant family climbed Mount Washington. They took the three-year-old cog railway, the first cog railway in the world.
In its 150 years of operation, there have only been two fatal accidents on the Cog Railway.
Undaunted and driven by his contemporaries' skepticism, Marsh began the task of building his mountain climbing railway, along with inventors Herrick and Walter Aiken, a father-and-son team from Franklin, New Hampshire...on July 3, 1869, Old Peppersass became the first cog-driven train to climb 6,288-foot Mount Washington.
Undaunted and driven by his contemporaries' skepticism, Marsh began the task of building his mountain climbing railway, along with inventors Herrick and Walter Aiken, a father-and-son team from Franklin, New Hampshire...on July 3, 1869, Old Peppersass became the first cog-driven train to climb 6,288-foot Mount Washington.