OCR Text |
Show New Steel Tempering Process. Through a new process of tempering steel, chopping a cold crowbar Into chunks with an ax or whittling a steel rod Into shavings with a pocketknlfe are simple performances. In fact, it Is cliilmed by the two investigators In the state of Washington that a steel ax and pocketknlves tempered by the new process have actually been made to perform these seemingly Impossible acts. The process consists In the use of certain chemicals In water or oil In the tempering vessel. |