Photographic copy of Hangar Door Canopy Details (Ammann and Whitney and The Ballinger Company. April 12, 1955). In files of the City of Philadelphia, Division of Aviation, Terminal E. Philadelphia International Airport. 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

---

Size: 5621px × 4446px
Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: