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

Solvent on printed paper

Ink on paper

Colored marker on paper

Graphite on paper

Purple and brown crayon on paper

Ink and gouache on paper

Ink, graphite and applied label on paper

Gelatin silver print with charcoal, crayon and acrylic

Red marker on paper, adhesive, black and red marker, and black pen on paper

Black crayon on paper

Graphite on paper

Black ink on blue wove paper; verso: black ink