thisamericanlife.org website claims to have discovered a list in a photograph in a newspaper article giving the ingredients and exact quantities to make the drink.
The Feb 8, 1979, edition of the Atlanta Journal-Constitution has a photograph of someone holding open a book with a recipe claimed to be an exact replica of Pemberton's.
The "secret" recipe is al follows:
Fluid extract of Coca 3 drams USP
Citric acid 3 oz
Caffeine 1 oz
Sugar 30 (quantity unclear from the markings)
Water 2.5 gal
Lime juice 2 pints 1 qrt
Vanilla 1 oz
Caramel 1.5 oz or more to colour
7X flavour (use 2oz of flavour to 5 gals syrup)
Alcohol 8 oz
Orange oil 20 drops
Lemon oil 30 drops
Nutmeg oil 10 drops
Coriander 5 drops
Neroli 10 drops
Cinnamon 10 drops
[via The Economic Times]
