Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Light fixture for stair outside swimming pool: details(1/4" =1"-0" and full size )

Charcoal on cream laid paper

Watercolor on off-white wove paper

C-print (magenta, cyan, and yellow color separation) mounted on foam-core with ball-point ink numbers, black ink grid, acrylic airbrush marks, and masking tape

Watercolor over graphite on off-white wove paper

Black ink over graphite on cream laid paper

Black ink and gray wash on cream wove paper

Graphite and red and white pastel on blue laid paper

Graphite on off-white wove paper (recto and verso)

Black ink and gray wash on cream laid paper

Graphite on off-white wove paper

Graphite and white gouache on heavy cream wove paper

Graphite on off-white wove paper