Prefabricated Copper Houses, 1931-1932: Divison of wall elements with wall connectors: plan

Photomechanical print with colored pencil on paper

Photomechanical print with colored pencil on paper

Photomechanical print with wash on paper

Photomechanical print in orange and blue inks on white paper

Photomechanical print in black ink on off-white card

Photomechanical print in black ink on white wove paper

Photomechanical print with colored ink, wash, and applied type on paper