Office and Factory Buildings, Cali, Colombia, 1945: Contours and elevatons of site at Yumbo Puerto Iasscs, 1:500

Offset photolithograph in the format of a perforated sheet of adhesive-backed stamps

Photomechanical print with colored pencil on paper

Photomechanical print with graphite on paper

Photomechanical print on wallpaper

(small size, on thick handmade paper)