lecture%9% the%industrial%revolubon% - uchicago...
TRANSCRIPT
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GEOS 24705 / ENST 24705 / ENSC 21100
Lecture 9
The Industrial RevoluBon (and some more on refrigera.on)
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Refrigerators / heat pumps are reverse heat engines
Source: unknown
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Pre-refrigerator cooling: latent heat from ice
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Pre-refrigerator cooling: latent heat from ice
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1919 advertisement for home refrigeration
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Mills had been mechanized and centralized since Medieval times
Grindstone, 1700s, U.S. from Hamilton, “The Village Mill in Early New England”
Yates gristmill, North Carolina U.S.
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Mills had been mechanized and centralized since Medieval times
Rock Run gristmill, Maryland U.S. Grindstone, 1700s, U.S. from Hamilton, “The Village Mill in Early New England”
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Textiles were a home industry in the mid-1770s (only milling had been mechanized)
Jersey Spinning Wheel. From: The Story of the Cotton Plant, Frederick Wilkinson, 1912, via Gutenberg.org Source: unknown
but extremely repetitive motions are well suited to mechanization
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Spinning was mechanized first, happened quickly
“Water frame” 1769 John Kay, Richard Arkwright power: horses, then water
Spinning jenny, 1764 James Hargreaves power: human Spinning mule, 1779
Samuel Crompton Power: water fully automated by 1830
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Weaving mechanization came next
Led to major social disruption…home weaving could no longer compete. Rural livelihoods were cut off, forcing migration
Power loom, 1787 Edmund Cartwright Power: water Steam engines used used in mines and ironworks at this time by 1829 there are nearly 50,000 power looms in England
Power looms, 1844 Source: Getty Images
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Source: Data from Toynbee, “Lectures on the Industrial Revolution in England, 1884, in turn drawn from a. Macaulay's History of England c. 3. b. Defoe's Tour (1725) c. Arthur Young (1769) d. Macpherson's Annals of Commerce (1769) e. Levi's History of British Commerce
Rapid growth of cities 1696: 10% population urban / 1881: 70% urban
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Overall population also begins exploding doubles from 1750-1850
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Water power soon superseded by coal and steam engines
Manchester from Kerstal Moor, 1840. William Wylde. Painting of Manchester, England.
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Textile production in England changed social structure of labor
Women and children left the home to work: women were cheap labor, small hands were valuable in operating machinery, and strength not required.
Looms, England, early 1800s, source unknown
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The backlash against industrialization was strong
Ned Ludd breaks two knitting frames in 1779, becoming a folk hero “Protection of Stocking Frames, etc. Act”, 1788 penalty: 7-14 years transportation to colonies “Luddites” began organized acts of sabotage of industrial system, 1811-1812 “Frame-Breaking Act”, 1812 penalty: death
“Luddites” smashing a loom (“frame-breaking”), ca. 1812, source unknown
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Much of mill labor was performed by children
Children were sent to the mills by their parents, because of: lack of money, lack of child care, or (speculation): new urban life produced new costs and desires
Lewis Hine, children working in a texBle factory in Cherryville, N.C.
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In U.S., too, much of mill labor was performed by children
Lewis Hine, 1911, Breaker boys working in Ewen Breaker of Pennsylvania Coal Co. Lewis Hine, 1912, Addie Card, 12 years, Spinner
in N. Pownal Spinning Mill
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Source: "Report from Dr. James Mitchell to the Central Board of Commissioners, respecting the Returns made from the Factories, and the Results obtained from them." British Parliamentary Papers, 1834 (167) XIX. (from Burnette, Joyce, EH.net)
Even after first child labor laws, most factory workers are children
(First law: Labor in Cotton Mills Act, 1811, Britain, limits to 12 hours /day)
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Labor conditions prompts the first child labor laws
• 1802: Health and Morals of ApprenBces Act orders venBlaBon and cleanliness
• 1815: Robert Owen suggests children under age 10 should not work in factories
• 1819: CoQon Mills and Factories Act forbids employing children under 9, children 9-‐16 years old can work no more than 12 hours/day + 9 hours on Saturday (69 hour week!)
• 1831: Labor in CoQon Mills Act: limit to 12 hours/day extends to age 18, no night work for anyone under 21
• 1832: Labor of Children... in Factories Act 1832 (Sadler’s Bill) extends protecBon to all texBle factories, not just coQon. Limit reduced to 10 hours/day.
• ....prompts backlash by employers, further legisla.on stalls for about a decade.
The fight is the “Ten Hour Movement” – can children work more than 10 hours/day or not?
Only in late 1800s are protec.ons extended to children outside the tex.le industry
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Several things to consider
1) What does mill layout tell you about the economics of industrial production?
2) What trends in political and economic thought conditions occurred in mid-1800s Britain?
3) Why are these two things related?
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Several things to consider
1) What does mill layout tell you about the economics of industrial production?
2) What trends in political and economic thought conditions occurred in mid-1800s Britain?
3) Why are these two things related?
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1800s: Mills get larger
Spinning mill, likely mid-late 1800s (source unknown)
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German machine shop driven by single steam engine (© Bildarchiv Preußischer Kulturbesitz)
1800s: Mechanization comes to other industries
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Machine shop, likely late 1800s (source unknown)
1800s: Mechanization comes to other industries
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Belts transport rotational motion over long distances
Mills at Lowell, MA, 1850s
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Belt and chain drives in modern life
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Belt and chain drives in modern life
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Belt and chain drives in modern life
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Belt and chain drives in modern life