Stiffening trusses for the Mackinac Bridge (42 of 67)

This photo shows the upper part of the hoisting machinery. The lifting girder with block and tackle is supported by the bridge suspension cables as the stiffening truss section is railed into place and attached to the ropes., Electronic reproduction of text. The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: This photo shows the upper part of the hoisting machinery. The lifting girder with block and tackle is supported by the bridge suspension cables as the stiffening truss section is railed into place and attached to the ropes.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)
Title: Stiffening trusses for the Mackinac Bridge (42 of 67).
Name(s): Superiorland Library Cooperative, contributor
Mackinac Bridge Authority, contributor
Type of Resource: still image
Date Created: 1957 (approximate)
Physical Form: photographs
Extent: 1 item
Abstract/Description: This photo shows the upper part of the hoisting machinery. The lifting girder with block and tackle is supported by the bridge suspension cables as the stiffening truss section is railed into place and attached to the ropes.
Note(s):

Electronic reproduction of text. The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Held by: Superiorland Library Cooperative
Restrictions on Access: In copyright (http://rightsstatements.org/vocab/InC/1.0/)
Is Part Of: Mackinac Bridge Authority photographs. Identifier: SLC-011
In Collections: