Research Project on Economical Apartment Design, 1930: Building type IIb: first, second and third floor plans, 1:50

Photomechanical print in brown ink on paper

Photomechanical print with wash on paper

Photomechanical print in black and brown inks on white paper

Black ink on off-white card

Photomechanical print with wash, graphite and crayon on paper

Photomechanical print in green and gold inks on paper

Photomechanical print with red ink, wash, and gouache on paper