"Yet the average farmer who would get excited if sound young chunks and drafters were running wild across his pastures, is not inspired by any similar desire of possession and master y by the sight of a brook, or a rivulet that waters his meadows. This brook or river is flowing down hill to the sea. Ever y 4,000 gallons that falls one foot in one minute; ever y 400 gallons that falls 10 feet in one minute; or ever y 40 gallons that falls 100 feet in one minute, means the power of one horse going ...