Office and Factory Buildings, Cali, Colombia, 1945: Foundation plans and details (1/4" =1')

Photomechanical print printed in black on gray paper

Half-tone photogravure

Photomechanical print in black, gray, and green

Photomechanical print on wallpaper

Photomechanical print with graphite on paper

Paper

Photomechanical print in black ink on paper

Photomechanical print with graphite and colored pencil on paper

Photomechanical print on gold cardstock