From the January 26, 1935, issue

ROLLING SUPPLANTS CASTING IN MAKING GIANT FLYWHEEL

Rolling supplants casting in the fabrication of the rims for hydroelectric turbines such as the one General Electric Co. is building for the Kanawha Valley Power Company in Virginia. Twenty-seven feet long and weighing 15 tons, the giant slab of white-hot metal is being rolled into semicircular shape.