Caption: Local 3 members prepare to connect the huge hinge around which the movable sections of the mammoth roof will rotate. Note the contrast in size between the men and the center pin.

Notes: The Ironworker, September 1960.

Gift of William "Red" Collins.

Additional images:

Cantilever arm.

Rails for retractable roof.

Photographer:

Date: [1960].

Heading:

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From the Collections of the Pennsylvania Department,

Carnegie Library of Pittsburgh.

Last updated: 27 April 1999.