Research Project on Economical Apartment Design, 1930: Plans of floors with 3 or 4 apartments

Photomechanical print in red and gold ink on paper

Photomechanical print in black ink on white paper

Photomechanical print in brown ink on paper

Photomechanical print with ink and blue wash on paper

Photomechanical print in red and black inks on white paper

Photomechanical print with wash and typewritten text on paper

Photomechanical print in blue, red and gray inks on white paper

Photomechanical print with graphite and wash on paper