Research Project on Economical Apartment Design, 1930: Building type IIb: isometric, steel construction. 1:10

Photomechanical print with ink, graphite, and applied type on paper

Photomechanical print with wash, graphite, and crayon on paper

Photomechanical print in orange and blue inks on paper

Photomechanical print with colored washes and collage elements on paper