Research Project on Economical Apartment Design, 1930: Building type IIb, drainage system: plan, 1:50

Photomechanical print

Photomechanical print in blue ink on white paper

Poster; photomechanical print in green ink on white paper

Photomechanical print in orange and blue inks on paper

Photomechanical print with colored pencil on paper

Photomechanical print with colored pencil on paper

Photomechanical print in red and gold inks on translucent paper

Photomechanical print in orange ink on cream paper