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Minnesota Reflections

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  • All fields: S3175
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    • Aerial Bridge: Design for Suspended Car Transfer Over Ship Canal, Duluth, Minnesota

    • 1901-02
    • The Claude Turner design for the original Aerial Bridge from 1901. Many companies and designers vied for this project. The bridge was built in 1904-1905. This drawing shows the spires and steel structural detail as well as the concrete footings and...
    • University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Center Collections
    • Aerial Bridge: Details of Traveler Suspended Car Transfer Over Ship Canal, Duluth, Minnesota

    • 1902-01
    • Detailed drawing of the suspended car, or gondola, and the vertical structure that holds it. This is the element that moves from one side of the bridge to the other above the canal. This transfer car could hold vehicles and people. Normal speed of...
    • University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Center Collections
    • Aerial Bridge: Detail of Car Suspended Car Transfer Over Ship Canal, Duluth, Minnesota

    • 1902-02
    • Two detailed drawings of the car, or gondola, which carried vehicles and people across the canal. The drawing shows etched glass, punctured decorative steel plates, electric light fixtures, seats with perforated wood bottoms, maple flooring, glass...
    • University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Center Collections
    • Aerial Bridge: Detail of Car Suspended Car Transfer Over Ship Canal at Duluth, Minnesota

    • 1902-02
    • A side elevation of the car, or gondola, which carried vehicles and people across the canal. The drawing shows: decorative circular metal plate with the word Duluth and floral-like details, wooden wall with windows, open lattice feature. Plan of...
    • University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Center Collections
    • Aerial Bridge: Proposed Suspended Car Transfer Over Ship Canal at Duluth, Minnesota

    • 1903-02-06
    • This is a general elevation drawing, plus end view of both towers. The suspended car transfer is in the center of the bridge drawing over the canal. Dimensions are included for the distance from the water to the bottom of the bridge span (135 feet)...
    • University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Center Collections
    • Aerial Bridge: Structural Details, End View, Part Side Elevation, Duluth, Minnesota

    • 1903?
    • Detailed drawing of four parts of the Aerial Bridge. The end view is a drawing of a tower; part side elevation is of half of the Aerial Bridge with the suspended car transfer. The third drawing is called Section A-A and depicts a tower without the...
    • University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Center Collections
    • Aerial Bridge: Strain Diagram, Duluth, Minnesota

    • 1903?
    • This drawing identifies wind forces and their effects on the physical structure. Notes are included on this drawing for example: "Stresses in lower sections of tension diagonals equal or smaller than top sections, but same riveting to be used in...
    • University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Center Collections

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