CHT177820 \'The Principal Forms of Nutritional Adulteration\', c.1883 (coloured engraving) by French School, (19th century); Private Collection; (add.info.: butter with colouring, grease, urine and margarine; tea with leaves and plaster; pepper with brick dust and earth; jam with gelatine and colouring; wine with alcohol, colouring and chemicals; flour with plaster and chalk;); 穢 Archives Charmet; French, out of copyright.