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    The first 100 foot steel girder is placed over Fort William Road, by a Hamilton Bridge Derrick Car.

    Photo showing the first girder of the last one hundred foot span being put into place by a Hamilton Bridge Derrick car. Each one hundred foot steel girder weighed 32 tons.

    Black and white photo of the 2-100' and 2-45' spans in place, and the Hamilton Bridge Derrick Car erecting posts. (February 20, 1945)

    Photograph of a Hamilton Bridge derrick car swinging the first girder of the last one hundred foot span into place. Each hundred foot steel girder weighed thirty two tons.

    A Hamilton Bridge crane placing a steel girder for the approach to the Canadian National Iron Ore dock.

    This photograph shows a Hamilton Bridge traveling crane placing a 32 ton steel girder into place on the trestle. Newspaper reports indicated the trestle itself would be a mile long, followed by a mil

    A steel girder, 32 feet long and weighing 32 tons is lowered into place by a Hamilton Bridge Company traveling crane.

    Black and white photo showing the Hamilton Bridge Derrick Car on top of the CN trestle at Port Arthur.