High-Rise Steel Frame Apartment Building, 1929-1930: Upper floor plan, 1:100

Graphite on paper

Colored marker and green pen on paper

Colored marker on paper

Colored marker on paper and translucent film

Graphite on cream wove paper

Black marker, blue ink, paper, and adhesive on paper

Graphite on paper

Black and red marker on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on paper