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Economic HistoryEconomic History Scientific Revolution (1500 - 1700

AD) Astronomy, Physics and Mathematics

Industrial Revolution (circa 1750 AD) Steam Engine

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Economic HistoryEconomic History

Scientific Revolution (1500 - 1700 AD) Astronomy, Physics and Mathematics

Industrial Revolution (circa 1750 AD) Steam Engine Lunar Society of Birmingham

Third Agricultural Revolution (1794 – Present) Iron Plow Mechanical Reaper

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Scythe

Cradle

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Mechanical Reaper

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Wheat Threshing ContestWheat Threshing Contest

Six men with flails -- 60 liters of Six men with flails -- 60 liters of wheatwheat

Belgian thresherBelgian thresher -- 150-- 150 French thresherFrench thresher -- 250-- 250 English thresherEnglish thresher -- 410-- 410 US thresherUS thresher -- 740-- 740

Paris Exhibition Paris Exhibition 18541854

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Accumulation-- Economic Surplus

How is it used?

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Breakers

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Sears Tower

Empire State Building

Taipei Tower

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Buildings City Country Height(Feet)

Stories

Taipei 101 Taipei Taiwan 1,671 101

Petronas Tower 1 Kuala Lumpur

Malaysia 1,483 88

Petronas Tower 2 Kuala Lumpur

Malaysia 1,483 88

Sears Tower Chicago USA 1,450 110

Jin Mao Tower Shanghai China 1,380 88

Citic Plaza Guangzhou China 1,283 80

Empire State Building

New York USA 1,250 102

World’s Tallest Buildings

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