Question

The first successful steam engine was called miner’s friend. Give reason
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Answer 1

Explanation:

Savery, Thomas

His inventiveness was perhaps stimulated by his knowledge of tin- and copper-mining in his native Devon. Savery's outstanding achievement was the invention of a machine for raising water by steam pressure, for which he took out a patent (No. 356) in 1698, calling it 'the miner's friend'.

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Answer 2

Explanation:

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