Prefabricated Copper Houses, 1931-1932: Building type M3: section, 1:20

Photomechanical print in black ink on brown paper

Photomechanical print with gouache and gelatin silver prints mounted to paper

Photomechanical print with wash on paper

Photomechanical print in black ink on off-white card and sugar in plastic sleeve

Typewritten text on paper

Photomechanical print in gray ink on paper

Photomechanical print with ink, graphite and wash on paper