Bahner Residence, Berlin, Klein-Machnow, 1933: Plumbing and drainage systems: plans, sections, and elevations, 1:100

Photomechanical print with graphite and colored pencils on paper

Photomechanical print

Photomechanical print in orange and blue inks on paper

Photomechanical print with wash and graphite on paper

Photomechanical print with colored pencil on paper

colored inks on paper

Photomechanical print and gouache on paper