and cleaning. A prominent external exhaust pipe ahead of the boiler led to a blastpipe within the chimney. The exhaust pipe is visible in many pictures of the locomotive. The piston rods connected to a pair of grasshopper beams (one for each cylinder) mounted above the boiler. A connecting rod near the piston end of the walking beams drove the rear axle's wheels, where it also connected to a coupling rod to drive the front wheels. See also Stourbridge Railroad (the current line on the track used by the Stourbridge Lion) References Sources External links The Stourbridge Lion, stourbridge.com "Railroads America - The Stourbridge Lion And Tom Thumb", Old and Sold, 1927 "CHAPTER XIII: FIRST ENGLISH LOCOMOTIVE", The History of the First Locomotives In America, William H. Brown, New York: D. Appleton And Company, 1871. Individual locomotives of the United States 0-4-0 locomotives Early steam locomotives Steam locomotives of the United States Narrow gauge locomotives Honesdale, Pennsylvania Artifacts in the collection of the Smithsonian Institution Stourbridge History of rail transportation in the United States