Various, Harper's Round Table, December 1…
“ Standing in the visitors' gallery of the power-house and watching these great dynamos whirling round so swiftly that the eye can scarcely perceive their motion, and remembering that it is caused by the expenditure of but a fraction of the power flowing over the Falls, one can form some idea of the great force which it has so long been the dream of engineers to turn to account.Almost as great a feat as the digging of the wheel-pits and placing the turbines at the bottom, was the excavating of the tunnel to carry off the waste water. ”
