ScientificAmerican1924-07.jpg Scientific American 1924-05ThumbnailsScientific American 1924-08Scientific American 1924-05ThumbnailsScientific American 1924-08Scientific American 1924-05ThumbnailsScientific American 1924-08Scientific American 1924-05ThumbnailsScientific American 1924-08

"Slipping the rotor in place: The assembling of a huge turbo-generator unit" -- presumably for power generation at a dam.

Artist: Howard V. Brown

Source: Steve Kirch

Restoration by: Michael Ward