Maurer Residence, Berlin-Dahlem, 1933: Coal shute: elevation and section, 1:10

Colored marker and graphite on paper

Charcoal on off-white wove paper

Opaque watercolor and adhesive on paper

Colored marker on paper

Graphite on paper

Watercolor and graphite on brown paper

Graphite on paper

Ink and gray wash on paper

Black and red marker on paper

Dark green crayon on paper

Black and red marker and black pen on paper

Graphite on paper