Research Project on Economical Apartment Design, 1930: Building type IIIb: first through third floor plans, showing heating and electrical installation

Photomechanical print in gray ink on white paper

Photomechanical print in orange and blue inks on cream paper

Photomechanical print in black ink on white wove paper

Photomechanical print with colored ink, wash, and applied type on paper

Photomechanical print in red and black inks on white paper

Photomechanical print with ink on paper

Typewritten text on paper

photomechanical print with yellow wash on cream wove paper, mounted overall to gray board

Relief halftone and letterpress printed in black and red ink on cream wove paper

Photomechanical print with ink on paper