INDUSTRIAL AGE (1700S TO 1930S) People used the power of steam, developed machine tools, established iron production, and the manufacturing of various products (including books through the printing press) (4 h 46 m, 8 nov 1700 año – 9 h 34 m, 13 jul 1930 año)
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4 h 46 m, 8 nov 1700 año
9 h 34 m, 13 jul 1930 año
~ 229 years