Bahner Residence, Berlin, Klein-Machnow, 1933: Sketches of first floor plan and isometric, 1:100

Black crayon on paper

Ink, colored wash, and applied type on paper

Black crayon on paper

Graphite on off-white wove paper

Black ink on translucent vellum paper

Paper

Colored and metallic marker and black pen on paper

Black marker on paper

Graphite on paper and mounted

Graphite on paper

Colored marker on paper

Black crayon on paper