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'Turnip' Townshend introduced the turnip and the Norfolk four-course rotation of wheat‒turnips‒barley‒clover onto his farm.
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Henry Bessemer's Bessemer convert made steel.
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Samuel Crompton's mule spinning machine
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The historian Arnold Toynbee also created the idea that, in the years between 1780 and 1830, there was an Industrial Revolution.
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The rate of economic growth between 1780 and 1830 was much slower than previously thought.
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Arthur Young wrote about the new methods.
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Alessandro Volta invented the battery.
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John Dalton discovered the atom.
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Between 1803 and 1821, Thomas Telford alone built 1000 miles of road, including 1000 bridges. His greatest achievement was the London‒Holyhead road (1815‒1826).
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The government passed the Factory Act making two hours of education a day compulsory for children working in factories. The government also granted money to charities for schools for the first time.
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Henry Talbot invented photography.
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The Ragged Schools Union was set up to give schooling to very poor children.
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Miss Morstan visits Sherlock Holmes and shows him the pearls and a letter.
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They meet Thaddeus Sholto and he tells them about his father and the treasure.
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They take a cab with Thaddeus Sholto to Pondicherry Lodge.
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They arrive at Pondicherry Lodge and find Bartholomew Sholto dead.
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Holmes and Watson find footprints and marks in the room made by someone with a wooden leg.
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Sherlock Holmes uses his magnifying glass to examine the secret room.
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Inspector Lestrade arrests Thaddeus Sholto for the murder of his brother.
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Watson goes to Lambeth and borrows a dog called Toby.
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Toby follows the smell of the tar and leads Holmes and Watson to a house next to the river.
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Holmes tries to find Mordecai Smith and the Aurora.
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Inspector Lestrade, Holmes and Watson chase the Aurora in a police boat. They kill the native and catch the man with the wooden leg.
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Jonathan Small tells the story of the Agra Treasure and the Sign of Four.
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Kirkpatrick Macmillan invented a bicycle.
