girders

Steel towers being assembled with girders to build a ferris wheel.…

Hot steel ingot bring pressed by a rolling mill machine. Water being…

Golden Gate Bridge under construction. Crane hauling steel up the tower…

Golden Gate Bridge under construction. The Riveter’s platforms. The…

Golden Gate Bridge under construction. Frights ships in the bay. Piers…

Golden Gate Bridge under construction. Diver in suit being pulled up…

Golden Gate Bridge under construction. Officials posing in front of…

Golden Gate Bridge under construction. Material being unloaded off…

Golden Gate Bridge under construction. Workers on the cables high above…

Golden Gate Bridge under construction. Construction coming to an end.…

Golden Gate Bridge under construction. Official looking man pointing…