John Blenkinsop

John Blenkinsop (1783 – 22 January 1831) was an English mining engineer and an inventor of steam locomotives, who designed the first practical railway locomotive.

He was born in Felling, County Durham, the son of a stonemason and was apprenticed to his cousin, Thomas Barnes, a Northumberland coal viewer. From 1808 he became agent to Charles John Brandling, who owned collieries on his Middleton estate near Leeds and whose family came from Felling. From then until his death, Blenkinsop lived at Middleton Hall on Town Street, Middleton, built in the 17th century as the Brandling family's Middleton home (they used the far more modern Middleton Lodge when visiting from their Tyneside homes).

In 1758 the Brandlings had built a wooden wagonway to carry coal into Leeds, using horse-drawn vehicles, now known as the Middleton Railway. Not all the land traversed by the wagonway belonged to Brandling, and it was the first railway to be authorised by Act of Parliament, since this would give him power to obtain wayleave.

In the early nineteenth century, attempts were being made to employ steam power for haulage. Richard Trevithick had experimented with various models of steam locomotive, and in 1805 his work had culminated in an engine for the Wylam Colliery. The cast-iron plated wood rails were unable to take the engine's heavy weight, however, and the initial attempt to convert to steam locomotion at Wylam was abandoned. Work on the development of locomotive power continued nonetheless. A shortage of horses and fodder brought about by the Napoleonic Wars had made steam traction a more attractive proposition and encouraged further development. Moreover, edge rails, made entirely of iron, laid at Middleton Railway from around 1799, were stronger.

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