Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Connector enclosures, second and third floors: details (1/2" = 1'0")

Watercolor

Watercolor on beige wove paper

Black ink on tan wove paper

Incised line and Aquarelle on white wove paper

Black marker on graph paper

Graphite on off-white laid paper

Watercolor and graphite on off-white wove paper

Oil on tracing paper

Graphite on off-white wove paper

Ink and graphite on paper

Ink, colored crayon? on cream-colored paper

Graphite