Bahner Residence, Berlin, Klein-Machnow, 1933: Stairway: plan, elevation, details, 1:10, 1:1

Colored marker on paper

Colored marker on paper

Graphite on paper

Black marker on paper

Graphite on paper

Black crayon on paper

Graphite and blue crayon on paper

Graphite on white wove paper

Graphite on paper

Watercolor on paper

Black crayon on paper

Graphite on paper