Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Pipe railing details (1/4" , 1/2" = 1'-0" and full size)

Graphite on paper

Black crayon on tan wove paper

Typed colon marks on black carbon paper

Graphite on off-white wove paper

Gray wash over graphite on blue wove paper

Black chalk and black ink on off-white wove paper

Graphite on paper

Graphite on cream wove paper

Graphite on paper

Graphite and ink on paper

Transparent and opaque watercolor and black ink over graphite on white wove paper

Charcoal on blue laid paper