Office and Factory Buildings, Cali, Colombia, 1945: Office unit: construction and millwork details (1/4", 1", 1 1/2" and 6" = 1'-0")

Oil on white prepared paper

Graphite on brown tracing paper

Watercolor and graphite on off-white wove paper

Black ink on cream wove paper

Graphite on off-white wove paper

Acrylic on off-white wove paper

Watercolor, black ink and metallic paint over graphite on buff wove paper

Graphite on white wove paper

Black ink and white chalk

Graphite on newspaper

Graphite on off-white wove paper

Watercolor, white gouache, and graphite on cream wove card