False colour freeze fractured scanning electron micrograph of a dollop of Hellmann's mayonnasie. Mayonnaise is a stable emulsion of vegetable oil in vinegar, stabilised by the presence of egg. The large & small spheres visible here are probably oil droplets. The water forms the continuous thin layer covering the small droplets. Magnification : X 157 at 35mm size. Original is bw print h110/213.