Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Original Format = Periodicals
  • Subject = Machinery -- Safety appliances -- Periodicals.
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Bulletin : United States Steel Corporation. Bureau of Safety, Sanitation and Welfare
Bulletin : United States Steel Corporation. Bureau of Safety, Sanitation and Welfare
United States Steel Corporation. Bureau of Safety, Sanitation and Welfare., Steel industry and trade -- United States -- Safety measures., Industrial safety -- United States -- Periodicals., Machinery -- Safety appliances -- Periodicals., Accidents -- Prevention -- Periodicals.
Bulletin : United States Steel Corporation, Committee of Safety
Bulletin : United States Steel Corporation, Committee of Safety
United States Steel Corporation. Committee of Safety., Steel industry and trade -- United States -- Safety measures., Industrial safety -- United States -- Periodicals., Machinery -- Safety appliances -- Periodicals., Accidents -- Prevention -- Periodicals.