Concept

Henry Maudslay

Summary
Henry Maudslay (pronunciation and spelling) (22 August 1771 – 14 February 1831) was an English machine tool innovator, tool and die maker, and inventor. He is considered a founding father of machine tool technology. His inventions were an important foundation for the Industrial Revolution. Maudslay's invention of a metal lathe to cut metal, circa 1800, enabled the manufacture of standard screw thread sizes. Standard screw thread sizes allowed interchangeable parts and the development of mass production. Maudslay was the fifth of seven children of Henry Maudslay, a wheelwright in the Royal Engineers, and Margaret (nee Whitaker), the young widow of Joseph Laundy. His father was wounded in action and so in 1756 became an 'artificer' at the Royal Arsenal, Woolwich (then in Kent), where he remained until 1776 and died in 1780. The family lived in an alley that no longer exists, off Beresford Square, between Powis Street and Beresford Street. Maudslay began work at the age of 12 as a "powder monkey", one of the boys employed in filling cartridges at the Arsenal. After two years, he was transferred to a carpenter's shop followed by a blacksmith's forge, where at the age of fifteen he began training as a blacksmith. He seems to have specialised in the lighter, more complex kind of forge work. During his time at the Arsenal, Maudslay also worked at the Royal Foundry, where Jan Verbruggen had installed an innovative horizontal boring machine in 1772. Maudslay acquired such a good reputation that Joseph Bramah called for his services on the recommendation of one of his employees. Bramah was surprised that he was only eighteen, but Maudslay demonstrated his ability and started work at Bramah's workshop in Denmark Street, St Giles.Keith Reginald Gilbert Bramah designed and patented an improved type of lock based on the tumbler principle, but had difficulty manufacturing at an economic price. Maudslay built the lock that was displayed in Bramah's shop window with a notice offering a reward of 200 guineas to anyone who could pick it.
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