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James Watt developed his improved steam engine in which year?

A1712
B1698
C1801
D1769
Answer & Solution
Correct answer: D. 1769
1. It turned the engine into a prime mover. 2. Watt's machine came in 1769. 3. Boulton backed the Soho Foundry in 1775. _Source: syllabus Themes in World History, Theme 9, The Industrial Revolution._
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