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Steel grillage beams for the foundations
In the foreground lies a massive steel beam with riveted stiffeners along its web; above it a derrick holds a grillage of short, heavy beams bolted together, and more steel and a worker appear on the rubble beyond.
- Period
- c. 1930–1931
- Credit
- US National ArchivesPublic Domain (NARA) · Digitalisierung und Bearbeitung: © zb Media GmbH
Specifications
- Clip name
- HFE004386
- Length
- 0' 14"
- Aspect Ratio
- 16:9
- Frames per Second
- 24 fps
- Chroma Subsampling
- yuv422p10le
- Resolution
- 1920 × 1080
- Format
- MOV
- File Size
- 306,019,012 bytes