Iron beams under construction at Carnegie Steel Company's Homestead Plant in Pittsburgh, Pennsylvania for Empire State Building of New York City. Carnegie beams rolled into sections. An operator controls the rolling of the beams with a lever. Hot ingot takes shape of rough beam. Shear crops ends of beam.
Iron beam under construction at Carnegie Steel Company's Homestead Plant in Pittsburgh, Pennsylvania for the Empire State Building in New York. Iron beam under construction at Beam and Column Finishing Mill. Iron beam rolls at machine for desired shape. Operator handles the operation with levers. Final rolling of beam. Beam is given exact specification for desired length by passing it from hot saw. Sparking due to the cutting of beam.
Iron beam under construction at Carnegie Steel Company's Homestead Plant in Pittsburgh, Pennsylvania for Empire State Building construction in New York. Plian plates and finished sections sent to American Bridge Company's Plant at Ambridge in Pennsylvania. Iron beams at fabrication plant. Cranes place beams and workers at Plant handle beam to be placed at right place.
Iron beam under construction at Carnegie Steel Company's Homestead Plant in Pittsburgh, Pennsylvania for the Empire State Building construction in New York City. American Bridge Company's Plant at Ambridge, Pennsylvania. Making Rivet holes for cover plates and wing bearing plates. Holes made by machine in beam. Iron scrape made by the process. Process of Multiple spacing punching on cover plates for rivet holes. Operator handle the manipulation according to the given design. Milling process of the wing bearing plates.
Iron beam under construction at Carnegie Steel Company's Homestead Plant in Pittsburgh, Pennsylvania for New York City's Empire State Building construction. American Bridge Company's Plant at Ambridge, Pennsylvania. Fabrication for engineering design. They place plates and fix it in frame for drilling. Workers drill cover and wing bearing plates by drill machine. Plates are placed to column shaft. Workers bring down the plates by crane and place it over beam.
Iron beam under construction at Carnegie Steel Company's Homestead Plant in Pittsburgh, Pennsylvania for construction of the Empire State Building in New York City. American Bridge Company's Plant at Ambridge, Pennsylvania. Riveting iron beam. Drill machine rivet C B section of the beam. Worker rivet side web section of the beam with a machine.
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