This section is from the "Elixirs And Flavoring Extracts. Their History, Formulae, & Methods of Preparation" book, by John Uri Lloyd. Also available from Amazon: Elixirs and flavoring extracts,: Their history, formulae, and methods of preparation;
Elixir of valerianate of ammonium with quinine and cinchonine, 16 fluidounces.
Strychnine, 1 1/4 grains.
Acetic acid, a sufficient quantity.
Triturate the strychnine in a mortar with acetic acid in amount sufficient to effect its solution, and add this to the elixir of valerianate of ammonium with quinine and cinchonine.
Each fluidrachm (teaspoonful) of the finished elixir contains two grains of valerianate of ammonium, one-eighth grain of quinine, one-half grain of cinchonine, and one-hundredth of a grain of strychnine. The alkaloids exist as acetates.