This drive-wheel is connected to the shaft that you saw in the sluice-way. There was a belt that ran from the large pulley-wheel (I think) to the generator , and another that ran from the small pulley-wheel (I think) to what I think is some kind of centrifugal governor . Notice that the window behind the pulleys is one of the two windows that you can see from the front of the power house (the left one, in fact, as you face the power house).


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