For those interested in water power and its use in industrial times in the
US, the book "Waterpower in Lowell, MA"  may be of interest. I bought it on
a whim, not having much knowledge or experience with water power, and I
found it a mostly interesting, if (ironically) mildly dry treatment of the
use of water power in revolutionizing industrial operations around that
time. It's not a highly technical treatise, but more of a historical
perspective.
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