Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Suggested design - radio unit: elevations

Charcoal on off-white laid paper

Watercolor over graphite on off-white wove paper

Graphite on cream card

Watercolor and white gouache on heavy off-white wove paper

Graphite on cream wove paper

Graphite on off-white wove paper

Charcoal on beige laid paper

Graphite on paper

Watercolor and white gouache over graphite on off-white wove paper

Charcoal on faded blue laid paper

Gouache on off-white laid paper

Gouache and graphite on white Fome-Cor