Prefabricated Copper Houses, 1931-1932: Rafter layout, 1:20

Photomechanical print in orange and black ink on paper

Photomechanical print

Photomechanical print with graphite and wash on paper

Photomechanical print with wash on paper

Black ink on off-white card, magnetic band, in plastic sleeve

Photomechanical print with ink and graphite on paper

Photomechanical print in black ink on white paper

Photomechanical print with ink on paper

Photomechanical print with colored pencil on paper