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

Photomechanical print in orange and black ink on paper

Photomechanical print with graphite on paper

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

Photomechanical print with colored pencil on paper

Photomechanical print in black and white ink on brown paper

Photomechanical print with colored pencil on paper

Photomechanical print in black and green ink on green paper

Photomechanical print with wash and graphite on paper