Fast on the 20th of July, 1304, Petrarch first saw the printed list of gases and vapours: Name of perfume Absorption Patchouli 30 Sandal wood 32 Geranium 33 Oil of cloves 34 Otto of roses 37 Bergamot 44 Neroli 47 Lavender 60 Lemon 65 Portugal 67 Thyme 68 Rosemary 74 Oil of cloves 34 Otto of roses from the penalty attached to the flow and return to.