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— CH. 1 · WEAVER'S SON IN WESTMORLAND —

Joseph Clement

~3 min read · Ch. 1 of 5
5 sections
  • Joseph Clement was born on the 13th of June 1779 at Great Asby in Westmorland. His father Thomas worked as a hand-loom weaver and built his own lathe for leisure. Young Joseph learned mechanics from this wooden machine while attending local school. He first worked weaving cloth before switching to slating roofs. A local blacksmith taught him how to work with metal. These skills allowed him to build his own lathe later. He turned woodwind instruments on that machine and began playing them himself.

  • By 1805 he made looms at a factory in Kirkby Stephen. He moved to Carlisle then Glasgow where Peter Nicholson taught draughtsmanship. By 1812 he joined Leys Masson & Co in Aberdeen. There he attended lectures in natural philosophy at Marischal College. In 1813 he moved to London working for Alexander Galloway in Holborn. He left quickly seeking higher wages and found work with Joseph Bramah in Pimlico. Bramah doubled Galloway's pay and signed a five-year agreement dated the 1st of April 1814. This contract named him chief draughtsman and superintendent of the works. After Bramah died Clement became chief draughtsman at Maudslay Sons and Field in Lambeth. He helped design early marine steam engines there. In 1817 he left to start his own firm. The Duke of Northumberland encouraged this move. Clement saved £500 and rented a small workshop at 21 Prospect Place in Newington. He operated as a draughtsman and manufacturer of precision machinery from that address.

  • In 1818 he won the gold medal of the Society for the Encouragement of Arts. His invention was a machine for marking ellipses inspired by carpenter trammels. His main interest focused on improving self-acting machine tools especially lathes. Various improvements in lathe construction earned him the gold Isis medal in 1827. That lathe achieved unprecedented precision and accuracy. The next year he added a self-adjusting centre chuck to the design. The Society of Arts awarded him their silver medal for this addition. In 1828 he began making fluted screw-cutting tap and dies. He urged adoption of a standard system where every machine screw of a particular diameter had a set number of threads. He determined the thread count for each bolt diameter. Joseph Whitworth worked as one of his journeymen during this period. Whitworth later played a major role in such standardisation. The Whitworth thread became a standard for machine screws.

  • Clement made his first planer in 1820. Some years later he built what Roe called his great planer. A full description appeared in the Transactions of the Society of Arts in London in 1832. Copper plates from Clement's own drawings illustrated that account. It took work up to 6 feet square and was hand-driven. For more than ten years it remained the only one of its size. The machine ran night and day on jobbing work. Its earnings formed Clement's principal income. His reputation as the most expert draftsman of his day stood firm through these drawings. The recognised excellence of his tools led to employment by Charles Babbage in 1823. Babbage sought to design and build a mechanical calculating device known as the difference engine. High prices for large precision tools caused a falling out with Babbage. Workmen were allowed to keep any tools they made during their work. Yet his skill kept him employed for many years despite financial disputes.

  • In later years Clement returned to music and constructed an organ. He died on the 28th of February 1844 at 31 St George's Road in Southwark. Although he had never married he fathered a daughter named Sarah Clement. Her mother was Agnes Esson from County Durham. Clement left behind a lasting impact on industrial manufacturing history. His work defined standards for screw threads used globally. The great planer remained operational for over a decade after completion. His precision lathes set new benchmarks for accuracy in engineering. The Society for the Encouragement of Arts recognized his contributions multiple times. His journey from weaver to master engineer remains documented in historical records.

Common questions

When was Joseph Clement born and where did he grow up?

Joseph Clement was born on the 13th of June 1779 at Great Asby in Westmorland. He grew up learning mechanics from a wooden lathe built by his father Thomas while attending local school.

What major engineering inventions is Joseph Clement known for creating?

Joseph Clement invented a machine for marking ellipses and developed self-acting machine tools including precision lathes. He also created the first planer in 1820 which later became known as his great planer capable of working up to 6 feet square.

How did Joseph Clement contribute to standardizing screw threads?

Joseph Clement began making fluted screw-cutting tap and dies in 1828 and urged adoption of a standard system for thread counts. His work established what became known as the Whitworth thread standard used globally for machine screws today.

Where did Joseph Clement live when he died and who were his family members?

Joseph Clement died on the 28th of February 1844 at 31 St George's Road in Southwark. Although he never married he fathered a daughter named Sarah Clement whose mother was Agnes Esson from County Durham.

Which organizations awarded Joseph Clement medals for his technical achievements?

The Society for the Encouragement of Arts awarded Joseph Clement gold and silver medals for his ellipse marking machine and self-adjusting centre chuck. The society also recognized his contributions multiple times throughout his career for excellence in engineering tools.