Mechanical power and technical ability are the result of training, like many other things.
When Boulton engaged Murdock, as we have said, Watt was absent in Cornwall, looking after the pumping-engines which had been erected at several of the mines throughout that county.

The partnership had only been in existence for three years, and Watt was still struggling with the difficulties which he had to surmount in getting the steam engine into practical use.

His health was bad, and he was oppressed with frightful headaches.

He was not the man to fight the selfishness of the Cornish adventurers.

"A little more of this hurrying and vexation," he said, "will knock me up altogether." Boulton went to his help occasionally, and gave him hope and courage.