Prefabricated Copper Houses, 1931-1932: Stairs and base: details, 1:20

Photomechanical print in red and black inks on off-white wove paper

Photomechanical print with ink on paper

Photomechanical print in colored inks on white wove paper

Photomechanical print in black ink on off-white card

Photomechanical print in black and white ink on brown paper

Photomechanical print in red and black inks on white paper