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

Black chalk on white paper

Graphite on off-white wove paper

Black and white chalk on tan antique laid paper, framing lines in black ink, laid down on off-white antique laid paper

Charcoal on off-white laid paper

Graphite and ink on cream wove paper

Graphite on slightly darkened off-white wove paper

Graphite on thin off-white wove paper

Brown wash over graphite on cream wove paper

Black and green marker on paper

Graphite on heavy cream wove paper

Graphite on heavy cream wove paper

Watercolor over graphite, with scratchwork, on cream wove paper