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Home arrow Pennsylvania arrow Lawrence County arrow Seamless Tube Industry PA1651
Seamless Tube Industry PA1651 Print E-mail
A block away was the plant in which Ralph C. Stiefel, the Swiss-born engineer, invented the rotary piercing process for making steel tubing, 1895. He helped found Ellwood Weldless Tube Co., which became a nucleus for National Tube Div. of U.S. Steel.
Pa351, Lawrence Aveat 7th St., Ellwood City. Lawrence County Pennsylvania.
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