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

Photomechanical print with wash on paper

Photomechanical print with graphite and colored pencils on paper

Photomechanical print with graphite and applied type on paper

Photomechanical print with gouache on paper

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