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

Photomechanical print in orange and blue inks on cream paper

Photomechanical print in orange, dark blue and gray inks on white paper

Photomechanical print

Photomechanical print with gouache on paper

Photomechanical print

Photomechanical print in red and black inks on white paper

Photomechanical print in orange and blue inks on white paper

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

Photomechanical print with wash on paper