Prefabricated Copper Houses, 1931-1932: Building types K, K1: sections and details, 1:20

Photomechanical print in black ink on off-white card

Photomechanical print in red and black inks on white paper

Photomechanical print with gouache on paper

Photomechanical print in orange and black inks on paper

Photomechanical print in black and green ink on green paper

Photomechanical print in colored inks on white paper

Photomechanical print in blue and orange inks on paper

Photomechanical print with graphite and colored pencil on paper