Design for factory wall: Electro-combine with chart at left showing growth of the society of inventors

Ink and wash on paper

Graphite on paper

Watercolor, black ink, graphite, and black chalk on off-white antique laid paper

Graphite on cream wove paper

Graphite and colored pencil on paper

Black chalk, brown wash and white gouache, incised with a stylus, on cream antique laid paper, lower right corner infilled, laid down overall on cream antique laid paper

Colored marker on paper

Black, brown, and pink crayon on paper

Graphite on paper

Ink on paper

Black ink, watercolor, and metallic paint over graphite on heavy buff wove paper

Watercolor on off-white wove paper