flue-tube

Updated: May 15, 2025

In this first locomotive constructed at Killingworth, Stephenson to some extent followed the plan of Blenkinsop’s engine. The boiler was cylindrical, of wrought iron, 8 feet in length and 34 inches in diameter, with an internal flue-tube 20 inches wide passing through it.

Samuel Smiles - Lives of the Engineers: The Locomotive. George and Robert Stephenson