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 pyrophosphate of iron with quinine, 8 fluidounces
Elixir of pyrophosphate of iron with cinchonidine, 8 fluidounces
Strychnine, 1 1/4 grains
Acetic acid, a sufficient quantity.
Mix the elixirs, and add the strychnine previously dissolved by trituration with a sufficient amount of acetic acid. Each fluidrachm (teaspoonful) of the finished elixir contains one-fourth grain of cinchonidine and one-half grain of quinine as the acetates of these alkaloids, one grain of pyrophosphate of iron, and one-hundredth of a grain of strychnine.