Naval Observatory (Seewarte)

Graphite on off-white wove paper

Mixed media on paper

Blue ink and gouache on paper

Ink on paper

Watercolor on cream wove paper

Water-base paint on laid paper mounted on board

Invisible physical energy on white wove paper. [The actual drawing is a blank sheet of wove paper placed into a handmade glassine envelope which is itself placed into a handmade white wove paper envelope which is then placed into a handmade brown card folder. There is also another handmade glassine envelope which contains a white printed card. The text on the latter reads: "A Couple of Wet Rocks/(invisible drawing/energy)"]

White ink on gray wove paper

Pastel on paper

Gouache on paper on burlap

Graphite and acrylic on cream wove paper

White ink on gray wove paper