And double acting movement: Then a steam-boat,
Full of strange smells, and cramm’d like Noah’s ark,
(It, on high pressure, sudden and quick to explode)
Raising up Fulton’s reputation
In every body’s mouth: Then the steam horse,
By Stephenson devised, on Wall’s End fed,
With boiler grimed and—wheels of clumsy cut,
Spurning brass knobs, and copper ornaments—
And so he plays his part. The Sixth age shifts
Into the war of broad and narrow gauge;