6034655 Punch cartoon: London with a Clean Front on: cleaning up the city for the Great Exhibition of 1851 (engraving) by English School, (19th century); Private Collection; (add.info.: Punch cartoon: London with a Clean Front on: cleaning up the city for the Great Exhibition of 1851. Illustration for Punch, Volume 20, January - June 1851.); Look and Learn / George Collection ; English, out of copyright.