Studies from Gropius' Berlin Office: Water, gas, and electric installations

Black crayon on paper

Graphite on paper

Graphite on paper

Graphite on paper

Black crayon on paper

Colored marker, black ink, b/w photocopy, and adhesive on paper

Graphite with blue and pink crayon on paper

Graphite on paper

Aqua crayon on paper

Graphite and charcoal on paper

Black crayon on paper

Graphite on paper