Landscape of Lost Arts Structural Work
Checking the bolts on the tower of the Singer building, 1907 Click image to enlarge 

Checking the bolts on the tower of the Singer building, 1907
Ironworkers Local 580 Collection, Robert F. Wagner Labor Archives, NYU

Checking the bolts on the tower of the Singer building, 1907

Ironworkers check the bolts on a part of the ornamental tower atop the Singer Sewing Machine Building in Lower Manhattan in 1907.