Non-Ferrous Metals Exhibit for "German People--German Labor" Exhibition, Berlin, 1934: Isometric

Graphite on paper

Blue marker and graphite on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Colored marker, dried leaf, and adhesive on paper

Black crayon on paper

Ink on paper

Colored marker, paper, and adhesive on paper

Black pen on paper

Graphite on paper, mounted to paper

Graphite and blue crayon on paper