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In around 1712 Thomas Newcomen built the first commercially successful steam engine to pump water out of mines.
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in 1758, Arthur Young wrote about the new methods.
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in 1779 Samuel Crompton create the mule spinning machine
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Robert Bakewell used selective breeding to develop the New Leicester sheep.
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1800 Alessandro Volta invented the battery.
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1803 Jonh Dalton discovered the atom.
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In 1833, the government passed the Factory Act making two hours of education a day compulsory for children working in factories
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in1835 Henry Talbot invented photography.
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1837 Samuel Morse invented the telegraph.
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1839 Kirkpatrick Macmillan invented a bicycle.
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In 1844, the Ragged Schools Union was set up to give schooling to very poor children.
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Some sectors of the economy grew, eg textiles, iron, coal, but the rest stayed stagnant, or grew very slowly.
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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 Jones 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.
