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Scientific American 1912-05-25

ScientificAmerican1912-05-25.jpg Scientific American 1902-03-08ThumbnailsScientific American 1912-10-12Scientific American 1902-03-08ThumbnailsScientific American 1912-10-12Scientific American 1902-03-08ThumbnailsScientific American 1912-10-12Scientific American 1902-03-08ThumbnailsScientific American 1912-10-12Scientific American 1902-03-08ThumbnailsScientific American 1912-10-12

Steel siphons of the Los Angeles aqueduct. The water supply is brought 240 miles from the Sierra Mountains to Los Angeles.



Source: Steve Kirch, creator of a wonderful website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner