Research Project on Economical Apartment Design, 1930: Building type IIb: basement plan, 1:50

Photomechanical print in red ink on white paper

Photomechanical print with red ink and wash on paper

Photomechanical print in colored inks on white paper

Photomechanical print in colored inks on paper

Photomechanical print with wash and graphite on paper

Photomechanical print

Photomechanical print in black ink on white paper