Archive Offers Engineer's View of Twin Towers

Construction of the original World Trade Center New York City Leslie E. Robertson Associates, engineer.
Photo courtesy The Skyscraper Museum and Leslie E. Robertson Associates

Construction of the original World Trade Center New York City Leslie E. Robertson Associates, engineer.
Photo courtesy The Skyscraper Museum and Leslie E. Robertson Associates

Construction of the original World Trade Center New York City Leslie E. Robertson Associates, engineer.
Photo courtesy The Skyscraper Museum and Leslie E. Robertson Associates

Construction of the original World Trade Center New York City Leslie E. Robertson Associates, engineer.
Photo courtesy The Skyscraper Museum and Leslie E. Robertson Associates

Construction of the original World Trade Center New York City Leslie E. Robertson Associates, engineer.
Photo courtesy The Skyscraper Museum and Leslie E. Robertson Associates

Construction of the original World Trade Center New York City Leslie E. Robertson Associates, engineer.
Photo courtesy The Skyscraper Museum and Leslie E. Robertson Associates
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