What is the name of the world's oldest surviving steam locomotive, constructed in 1813/14 by William Hedley for use at Wylam Colliery, Newcastle-on-Tyne?
Puffing Billy (locomotive) Puffing Billy (locomotive) Puffing Billy is the world's oldest surviving steam locomotive, constructed in 1813–1814 by coal viewer William Hedley, enginewright Jonathan Forster and blacksmith Timothy Hackworth for Christopher Blackett, the owner of Wylam Colliery near Newcastle upon Tyne, in the United Kingdom. It was the first commercial adhesion steam locomotive, employed to haul coal chaldron wagons from the mine at Wylam to the docks at Lemington-on-Tyne in Northumberland. In 1810 the Durham Coalfield was disrupted by a major strike over the Bond system. During this time Christopher Blackett, owner of the Wylam Colliery, took advantage of the pit's idleness
Wylam Dilly Wylam Dilly Wylam Dilly is the second oldest surviving railway locomotive in the world; it was built circa 1815 by William Hedley and Timothy Hackworth for Christopher Blackett, the owner of Wylam colliery, west of Newcastle upon Tyne. "Wylam Dilly" was initially designed for and used on the Wylam Waggonway to transport coal. The four driving wheels are connected by a train of spur wheels driven by a central crankshaft. Because it proved too heavy for the cast iron plateway in its original form, the locomotive was rebuilt with eight wheels in 1815, but returned to its original design in