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Cotton mills and the factory system

In 1771 Richard Arkwright opened a water-powered spinning mill at Cromford in Derbyshire. As he added more mills there, the number of people he employed at Cromford grew to about 1,000.

Cross-section of a water-powered spinning mill, simplified. 1 Water wheel, 2 the mill race carrying water from the river, 3 upright shaft carrying power to every floor, 4 spinning machines in rows, 5 line shafts and belts (dashed) on each floor, 6 bell tower that rang the start and end of each shift.

Spinning and weaving at home

Before the factories, most cloth in Britain was made in people’s homes. A merchant delivered raw wool or cotton to families in the countryside, collected the yarn or cloth they made and paid them by the piece. Spinning, twisting fibres into yarn, was slow work, and it took several spinners to keep one weaver supplied. In 1733 John Kay invented the flying shuttle, which let a weaver throw the shuttle across a wide loom with one hand, and weavers got faster still. The shortage of yarn became the problem that inventors tried to solve.

Jenny, frame and mule

Around 1764 James Hargreaves, a weaver in Lancashire, built the spinning jenny, a hand-turned machine that spun several threads at once. It still needed a skilled operator, and its yarn was too weak for the warp, the lengthwise threads of a cloth. Richard Arkwright, a barber and wig maker from Preston, solved that. His spinning machine, patented in 1769, drew the cotton out between pairs of rollers turning at different speeds and spun a strong, hard yarn. It was too large to turn by hand and was built to be driven by water, so it became known as the water frame. It also needed little skill: children could tend it. In 1779 Samuel Crompton combined the ideas of the jenny and the water frame in the spinning mule, which made fine, strong yarn, and in the 1780s Edmund Cartwright began building a power loom so that weaving too could be done by machine.

Cromford and the factory

Arkwright needed money, and in 1770 he went into partnership with Jedediah Strutt, a hosiery manufacturer, and Samuel Need. In 1771 they built a mill at Cromford, beside a stream in the Derbyshire hills, where a water wheel drove the frames on several floors through shafts and belts. Arkwright later patented a carding machine that prepared the raw cotton for spinning, so that every stage from bale to yarn happened under one roof. He kept building, eventually employing about 1,000 people at Cromford, and built houses, an inn and a market place for his workers. That was the factory system: many workers gathered in one building, tending machines driven by one source of power, working fixed hours set by the owner rather than by themselves. Today Cromford Mill is the centre of the Derwent Valley Mills World Heritage Site.

Where the cotton came from

Cotton does not grow in Britain. In the 18th century most of the raw cotton spun in Lancashire came from plantations in the Caribbean and Brazil worked by enslaved Africans. Then in 1793 Eli Whitney, a young man from Massachusetts working in Georgia, built a cotton gin, a machine that pulled the sticky seeds out of short-staple cotton far faster than by hand; he received his patent on 14 March 1794. Short-staple cotton grew well across the American South, and cotton growing spread west across Georgia, Alabama and Mississippi. Enslaved people did the planting and picking, and the number of enslaved people in the United States grew with the cotton crop. By the early 19th century the mills of Lancashire and the cotton plantations of the American South were two halves of one system.

BackgroundBritain tried to keep its new textile machines to itself, and skilled mill workers were not supposed to take their knowledge abroad. Samuel Slater had been an apprentice of Jedediah Strutt, Arkwright’s partner, and had learned how the mills were built and run. In 1789, aged 21, he sailed for the United States, carrying no drawings, only what he remembered. In Pawtucket, Rhode Island, he worked with local merchants to build water-powered spinning machinery on the Arkwright pattern, and the mill that followed became one of the starting points of the American textile industry. In Britain he was called Slater the Traitor; in the United States, the father of the American industrial revolution.
Several inventors claimed parts of these machines, and Arkwright’s patents were challenged in court; his carding patent was cancelled in 1785. The dates here are the usual ones for each machine.
  • 1733: John Kay’s flying shuttle
  • c. 1764: James Hargreaves’s spinning jenny
  • 1769: Arkwright patents his spinning machine (the water frame)
  • 1771: Cromford Mill opens
  • 1779: Samuel Crompton’s spinning mule
  • 1789: Samuel Slater sails for the United States
  • 1794: Eli Whitney’s cotton gin patent (14 March)
Putting-out systemMerchants supplied fibre to homes and paid by the piece
Flying shuttleJohn Kay’s 1733 device that sped up weaving
Spinning jennyHargreaves’s hand machine spinning several threads at once
Water frameArkwright’s water-driven roller spinning machine, patented 1769
Spinning muleCrompton’s 1779 machine combining the jenny and the frame
Factory systemMany workers, one building, machines on one power source, fixed hours
Cotton ginMachine that removes seeds from cotton; Whitney’s patent 1794
Cromford MillArkwright’s 1771 mill in Derbyshire, now a World Heritage Site
  1. Before factories, where was most cloth made?
    • In people’s homes
    • In large city workshops
    • On ships
  2. What problem did the flying shuttle create?
    • Weavers needed even more yarn
    • Cloth became too thick
    • Looms broke more often
  3. Why was yarn from the spinning jenny not enough?
    • It was too weak for the warp
    • It was too thick for any cloth
    • It could only spin wool
  4. What drove the machines at Cromford Mill?
    • A water wheel
    • A steam locomotive
    • Horses on a treadmill only
  5. What did the spinning mule combine?
    • The jenny and the water frame
    • The loom and the shuttle
    • The steam engine and the gin
  6. What did the cotton gin do?
    • Removed seeds from raw cotton
    • Wove cotton cloth
    • Spun cotton yarn
  7. How were Lancashire mills linked to slavery?
    • Their raw cotton was grown by enslaved people
    • Mill workers were legally enslaved
    • They were not linked
  8. What did Samuel Slater carry to the United States?
    • His memory of how the mills worked
    • A shipload of water frames
    • Arkwright’s patent papers
  9. The spinning jenny dates from about 1764 and the mule from 1779. How many years apart?
  10. Cromford Mill opened in 1771; Whitney’s gin patent came in 1794. How many years later?
  11. A weaver needs the yarn of 4 spinners working by hand. If a jenny lets one spinner do the work of 8 hand spinners, how many weavers can one jenny spinner supply?
  12. Put these inventions in order, earliest first.
Key points
  • Faster weaving after 1733 made yarn the bottleneck; the jenny, water frame and mule answered it.
  • Arkwright’s Cromford Mill (1771) put every stage under one roof on water power.
  • The factory system meant many workers, one power source and fixed hours.
  • Raw cotton came from slave plantations; Whitney’s 1794 gin spread cotton slavery across the American South.
Sources: Cromford Mills, “Our history” and education information sheets (cromfordmills.org.uk); US National Archives, “Eli Whitney’s Patent for the Cotton Gin” and Milestone Documents; Wikipedia, “Cromford Mill”, “Water frame”, “Samuel Slater”; Ohio State University History Teaching Institute, “Richard Arkwright, Cotton King”.
Sources for this course (20)
  • Science Museum blog, "James Watt and the separate condenser" (5 January 2019, Ben Russell) and Science Museum Group Collection records for James Watt, Rocket (co26704) and the Huskisson memorial
  • University of Glasgow, "James Watt and the Newcomen Engine"
  • Railway Museum, "Stephenson’s Rocket, Rainhill and the rise of the locomotive"
  • Science and Industry Museum, "Making the Liverpool and Manchester Railway"
  • Locomotion (Shildon)
  • "Locomotion No.1"
  • The National Archives (UK)
  • "1833 Factory Act" education resource and source 1, and "Why did the Luddites protest?"
  • UK Parliament Living Heritage, "The 1833 Factory Act" and "Coal mines"
  • Library of Congress, National Child Labor Committee collection (Lewis Hine)
  • "Ford implements the moving assembly line" and "Invention of the Telephone"
  • Smithsonian National Museum of American History, Bell experimental telephone (nmah_689864)
  • US National Archives, "Eli Whitney’s patent for the cotton gin"
  • ETHW (IEEE)
  • "Milestones: Pearl Street Station, 1882"
  • Cromford Mills (cromfordmills.org.uk)
  • NOAA Climate.gov, "Climate change: atmospheric carbon dioxide" (2025) and NOAA GML trends
  • Britannica, "Bessemer process"
  • PMC 7150208, "John Snow, cholera, the Broad Street pump"
  • Natural Earth coastlines (public domain).

Checked: 2026-10-17