Designed by William A. Truesdell, a railroad engineer, the Seventh Street Improvement Arches celebrates the engineering application of mathematics to improve living conditions.
St. Paul
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Courtesy Wikipedia/Elkman (CC BY-SA 3.0)
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Designed by William A. Truesdell, a railroad engineer, the Seventh Street Improvement Arches celebrates the engineering application of mathematics to improve living conditions.
Era_date_from:
1883
2000
Designed by William A. Truesdell, a railroad engineer, the Seventh Street Improvement Arches celebrates the engineering application of mathematics to improve living conditions.
The construction of these arches presented a number of challenges. Since Seventh Street intersected the St.…
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