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Scientific American, Vol. 71, No. 16 (October 1894) (1894)

leaf 4

An illustration from Scientific American, Vol. 71, No. 16 (October 1894), 1894, leaf 4
can be graded down so as to m i » i m UTILIZING THE WATER POWER OF NIAGARA FALLS. their winter quarters and proceed to deposit their be imperceptible to the most sensitive nature. The spawn upon the edges of the ponds. Mr. Zograf re- In the Scientific American of March 5, 1892, we change is… … GREAT TUNNEL AND ONE OF THE WHEEL PITS AT NIAGARA FALLS. © 1894 SCIENTIFIC AMERICAN, INC.

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