Drawing of the Mackinac Bridge cable spinning

This drawing shows how the cable spinning machinery operates., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: This drawing shows how the cable spinning machinery operates.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)