Photograph 



A GIGANTIC PRESSURE PRESS FOR STAMPING CYLINDERS OUT OE STEEE PEATES AT 



ONE OPERATION 



This industrial titan, one of the most powerful engines in the world, exerts a pressure of 

 800 tons upon a sixty-inch steel plate, converting it into a cup having a diameter of 42 inches, 

 the thickness of the steel being one-fourth of an inch. 



137 



