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Who among the following built a model steam engine 1698 called “Miner's Friend" to drain mines? |
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(a) |
Thomas Savery |
(b) |
Thomas Newcomen |
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(c) |
James Watt |
(d) |
Richard Arkwright |
|
Who among the following built a model steam engine 1698 called “Miner's Friend" to drain mines? |
|||
|
(a) |
Thomas Savery |
(b) |
Thomas Newcomen |
|
(c) |
James Watt |
(d) |
Richard Arkwright |