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

Graphite on paper

Graphite on paper

Watercolor over graphite on heavy cardboard, waxed

Graphite on paper

Watercolor and white gouache on off-white wove paper

Black ink and charcoal on yellow wove paper mounted to cardboard

Black ink on tan wove paper

Colored marker on paper

Graphite on cream wove paper

Graphite on off-white paper

Watercolor on white antique laid paper

Gray ink and brown wash over graphite or black chalk, incised, with a framing line in brown ink, on cream antique laid paper