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Lévy, Léon engineer.
Combined project for utilising the hydraulic power of the Niagara Falss [sic] and their transmission at a distance by means of electricity
![Combined project for utilising the hydraulic power of the Niagara Falss [sic] and their transmission at a distance by means of electricity](https://s3.amazonaws.com/readfeedstatic/book_covers/thumbnails/rf-placeholder.png)