Prefabricated Copper Houses, 1931-1932: Building types K, K1: ground floor plan, 1:20

Photomechanical print in red and black inks on white paper

Photomechanical print in red and black inks on white paper

Photomechanical print with graphite on paper

Photomechanical print with washes on paper

Photomechanical print with wash on paper

Photomechanical print in orange and black ink on paper

Photomechanical print

photomechanical print with wash, colored inks, colored pencil and crayon on paper