['One of the great 12 feet tubes', 'Inside of same'] 1886

This 1886 photograph, "One of the great 12 feet tubes, Inside of same," depicts a large, cylindrical structure, likely a section of a bridge or other construction project. The left side of the image shows the exterior, where workers are assembling the steel tube. The right side provides a view of the interior, revealing the intricate network of supports and the circular form of the tube. The anonymous photographer's work captures the scale and complexity of industrial engineering in the late 19th century. The photograph's combination of exterior and interior views creates a captivating visual narrative of both the construction process and the structure's design.