Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Language = English
  • Date = 1921
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Armor plate contracts
Carnegie Steel Company
Flat seam sheet copper roofing and flashings
Forge furnaces
Material_handling_cyclopedia
Mesta gas blowing engines / Mesta Machine Company.
Mesta Una-Flow engines
Motor equipments for main drives of steel mills
Standing seam sheet copper roofing and flashings