Recreation and Cultural Buildings, Berlin-Tiergarten, 1929-1930: Tunnel: plan and section, 1:1000,1:100

Photomechanical print with wash on paper

Photomechanical print with applied type on paper

Photomechanical print with wash on paper

Photomechanical print with wash, graphite, and crayon on paper

Photomechanical print in black ink on off-white card

Photomechanical print in blue, red and gray inks on white paper