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Scientific American, Vol. 94, No. 3 (1906) (1906)

leaf 3

An illustration from Scientific American, Vol. 94, No. 3 (1906), 1906, leaf 3
nment has set itself at the the depot allows the bunkers of a flotilla of gunboats plant, so commonly utilized in this country in trans- ferring cargoes on the Great Lakes, is employed. The Isthmus is first, to build a high-level canal with locks, to be filled at one time, while the reach of the… … Engineers his automat- ic guide. The special method French Project. of construction power is sup- of the locks, plied by an

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