Bahner Residence, Berlin, Klein-Machnow, 1933: Exterior stairway and glass wall: plan, elevation, sections, and details, 1:1, 1:10, 1:20

Graphite on paper

Colored crayons ; black crayon on paper

Graphite on paper

Graphite on paper

Paper

Black and aqua marker on paper

Colored marker on paper

Colored crayons on paper

Graphite on paper

Colored marker on paper

Black crayon on paper

Black crayon on paper