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 pyrophosphate of iron, 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 mix this liquid with the elixir of valerianate of ammonium with quinine and pyrophosphate of iron, and filter if necessary.
Each fluidrachm (teaspoonful) of the finished elixir contains two grains of valerianate of ammonium, one-half grain of pyrophosphate of iron, one-eighth grain of quinine, and one-hundredth of a grain of strychnine, the alkaloids being in the form of acetates. Observe the precautions suggested with elixir of valerianate of ammonium with cinchonidine and pyrophosphate of iron.