Research Project on Economical Apartment Design, 1930: Building type IIIb: section showing heating and electrical installation, 1:50

Typewritten text on paper

Photomechanical print with washes on paper

Photomechanical print with wash, graphite, and crayon on paper

Photomechanical print in red ink on blue paper

Photomechanical print in orange and black ink on paper

Photomechanical print with graphite and wash on paper

Photomechanical print

photomechanical print with ink, gouache, applied type, and typewritten text on paper