Research Project on Economical Apartment Design, 1930: Building type IIb: first-third floor plans, showing heating and electrical installation, 1:50

Photomechanical print in black ink on light green paper

Photomechanical print with red ink, wash, and gouache on paper

Photomechanical print with colored wash on paper, splatter-painted

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

Photomechanical print in orange, dark blue and gray inks on white paper