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

Photomechanical print with wash, graphite and crayon on paper

Photomechanical print with graphite and colored pencil on paper

Photomechanical print in black ink on white paper

Photomechanical print in colored inks on white wove paper

Photomechanical print with wash on paper

Photomechanical print in black ink on white paper

Photomechanical print with ink and blue wash on paper

Photomechanical print in red and black inks on white paper

Photomechanical print in red and gold inks on translucent paper

Photomechanical print with washes on paper