Research Project on Economical Apartment Design, 1930: Building type IIIb: basement plan, showing electrical installation

Typewritten text on paper

Photomechanical print with wash on paper

Photomechanical print in red and black inks on white paper

photomechanical print with black and colored inks, wash, and applied type on paper

Graphite on paper

Photomechanical print with colored pencil on paper