Research Project on Economical Apartment Design, 1930: Building type IIIb: drainage system

Photomechanical print in red and black inks on paper

Photomechanical print with ink and graphite on paper

Photomechanical print with graphite on paper

Photomechanical print in black ink on off-white card

Photomechanical print with ink and wash on paper, spatter-painted

Photomechanical print with ink, colored washes, and graphite on paper

Photomechanical print in black ink on white paper

Photomechanical print in colored inks on white wove paper

photomechanical print with ink, colored pencil, colored washes, and collage elements on paper