Research Project on Economical Apartment Design, 1930: Building type IIIb: section showing heating and electrical installation, 1:50

Photomechanical print in colored inks on paper

Photomechanical print with wash on paper

Photomechanical print in black ink on light green paper

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

Photomechanical print in black ink on off-white card

Photomechanical print with ink, wash, and gouache on paper

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

Photomechanical print in red and black inks on white paper

Photomechanical print in black ink on off-white card