Prefabricated Copper Houses, 1931-1932: Wall connectors: section, 1:1, 1:10

Photomechanical print with yellow wash on paper

Photomechanical print in red and gold inks on white paper

Photomechanical print with colored pencil on paper

Photomechanical print with ink on paper

Photomechanical print with wash, graphite, and crayon on paper