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

Photomechanical print in red and black inks on white paper

Photomechanical print with gouache and gelatin silver prints mounted to paper

Photomechanical print in gray, turquoise and orange inks on white paper

Photomechanical print in black ink on white paper

Photomechanical print with colored pencil on paper

Photomechanical print with wash on paper

photomechanical print with ink, gouache, applied type, and typewritten text on paper

Black ink on off-white card, magnetic band, in plastic sleeve