Photographic copy of photograph of roof suspender system taken on March 22, 1957. Photographer unknown. Original photograph property of the City of Philadelphia, Division of Aviation. Reprinted with permission of the Division of Aviation. - TWA Maintenance Hangar, South side of Tinicum Island Road, Philadelphia International Airport, Philadelphia, Philadelphia County, PA; Ballinger Company; Ammann and Whitney; Leigh Structural Steel Company

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Size: 5545px × 4507px
Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

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