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;
Strychnine, 1 1/4 grains.
Elixir of valerianate of ammonium with quinine and cinchonidine, 16 fluidounces.
Acetic acid, a sufficient quantity.
Triturate the strychnine in a mortar with acetic acid in sufficient amount to effect its solution, then mix with the elixir of valerianate of ammonium with quinine and cinchonidine.
Each fluidrachm (teaspoonful) of the finished elixir contains two grains of valerianate of ammonium, one-half grain of cincho-nidine, one-eighth grain of quinine, and one-hundredth of a grain of strychnine. The alkaloids are in the form of acetates.