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Photographer
Unknown (6)

Neighborhood
Loop (Chicago, Ill.) (6)

Subject.TGM
Steel (4)
Industrial Facilities (4)
Machine Shops (4)
Machinery (3)
Trees (2)
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 Image: Title: Subject.TGM: Description:
1. Cloud Gate, fabrication, ca. December 17, 2002 Cloud Gate, fabrication, ca. December 17, 2002 Industrial facilities; Machinery; Steel; Machine shops View from above of workers shaping a curved steel plate in the fabrication shop at Performance Structures Inc. (PSI). After plasma cutting the steel plates, a custom made roller, similar to an English...
2. Cloud Gate, fabrication, December 17, 2002 Cloud Gate, fabrication, December 17, 2002 Machinery; Industrial facilities; Machine shops; Steel Close up of a steel plate beneath a precision measuring device called a Faro arm. In order for the plates to fit together, the dimensions and curvature of each plate had to be accurate to within one-thousandth...
3. Cloud Gate, fabrication, milling, April 21, 2003 Cloud Gate, fabrication, milling, April 21, 2003 Steel; Milling machines; Machine shops; Structural frames; Industrial facilities; A milling machine is used to remove excess material from a steel plate. In order for the steel plates forming the sculpture to fit together, the dimensions and curvature of each plate had to be exact to...
4. Cloud Gate, fabrication, rolling, April 22, 2003 Cloud Gate, fabrication, rolling, April 22, 2003 Steel; Machinery; Machine shops; Industrial facilities; A worker positioning a flat steel plate into a roller. A custom made roller, similar to an English roller, was built by PSI to roll the steel plates into their curved shapes. The plates are shaped by moving...
5. BP Bridge, concrete foundation ramp, September 12, 2003 BP Bridge, concrete foundation ramp, September 12, 2003 Construction workers; Trees; Hoisting machinery; A view of the concrete foundation ramp during construction and the landscaping between the curves of the Bridge. The subtle slope of BP Bridge allowed for the serpentine curvature visible here, and made...
6. BP Bridge, concrete foundation ramp, September 12, 2003 BP Bridge, concrete foundation ramp, September 12, 2003 Trees; Skyscrapers; A view of the concrete foundation ramp during construction and the landscaping between the curves of the Bridge. The subtle slope of BP Bridge allowed for the serpentine curvature visible here, and made...
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