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 phosphate of quinine with citrate of protoxide of iron, .16 fluidounces.
Strychnine, 1 1/4 grains.
Acetic acid, a sufficient quantity.
Triturate the strychnine in a mortar, cautiously adding acetic acid in amount sufficient to effect its solution, and mix this with the elixir of phosphate of quinine and citrate of protoxide of iron.
Each fluidrachm (teaspoonful) of the finished elixir contains one-half grain of quinine, as much citrate of protoxide of iron as corresponds with one grain of sulphate of iron, and one-hundredth of a grain of strychnine.
The term " protoxide of iron " is a misnomer. See our remark concerning elixir of calisaya bark with protoxide of iron. This preparation is unstable.