Riding Club Cocktail
Ingredient: iceWhat it is: Additive
Ingredient: Angostura bittersWhat it is: Bitters
Ingredient: Horsford's acid phosphateWhat it is: Additive
Prepared according to the directions of Prof. Eben Norton Horsford, this was a syrup of calcium phosphate used in drinks. It was a "a tonic for tired brain, physical exhaustion, nervousness, indigestion, etc. etc." that was produced by the Rumford Chemical Works in Providence, R. I. Produced between 1868 and the early 1940's, it's no longer available today. Lemon juice can be used as a substitute.
Ingredient: calisayaAlso Known As: calasaya, calisaia What it is: Bitters
Quinine herbal digestive bitters made from the medicinally active bark of the Chincona tree. The bark is stripped from the tree, dried and powdered, contains a variety of alkaloids, including the anti-malarial compound quinine, which interferes with the reproduction of malaria-causing protozoa. As a medicinal herb, cinchona bark is also known as Jesuit's Bark or Peruvian bark.
Mixing-glass half-full fine ice, one dash Angostura bitters, a small bar-spoonful Horsford acid phosphate, one jigger calasaya. Mix and strain into cocktail-glass.