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Sketches of beams and girders suggested for floor of N. Custom House N...
Public domain scan of technical drawing, free to use, no copyright restrictions image - Picryl description
Sketches of beams and girders suggested for floor of N. Custom House N...
Picryl description: Public domain illustrated book page scan, free to use, no copyright restrictions drawing image.
Sketches of beams and girders suggested for floor of N. Custom House N...
Picryl description: Public domain illustrated book page scan, free to use, no copyright restrictions drawing image.
Sketches of beams and girders suggested for floor of N. Custom House N...
Public domain scan of technical drawing, free to use, no copyright restrictions image - Picryl description