Research Project on Economical Apartment Design, 1930: Building type IIb: section showing plumbing and gas installation, 1:50

Photomechanical print in gray ink on paper

Photomechanical print in orange, blue and gold inks on white paper

Photomechanical print in red, black and blue inks on paper

Photomechanical print in blue and orange inks on paper

Photomechanical print in black ink on white paper

Photomechanical print with wash and gouache on paper

Photomechanical print with wash and applied type on paper

Photomechanical print in black and gray inks on white paper

Photomechanical print with wash on paper