CHAPTER XII.
ROBERT STEPHENSON'S RESIDENCE IN COLOMBIA AND RETURN--THE "BATTLE OF THE LOCOMOTIVE."
Robert Stephenson appointed Mining Engineer in Colombia.--Mule Journey to Bogotá.--Mariquita.--Silver Mining.--Difficulties with the Cornishmen.--His Cottage at Santa Anna.--Resigns his Appointment.--Meeting with Trevithick.--Voyage to New York, and Shipwreck.--Returns to Newcastle, and takes Charge of the Locomotive Factory.--Discussion as to the Working Power of the Liverpool and Manchester Railway.--Walker and Rastrick's Report.--A Prize offered for the best Locomotive.--Invention of the Multitubular Boiler.--Henry Booth.--Construction of the "Rocket."--The Locomotive Competition at Rainhill.--Triumph of the "Rocket". 301