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 and
elixir of phosphate of cinchonine, of each equal amounts by measure.
Mix them together.
Each fluidrachm (teaspoonful) of the finished elixir contains of phosphate of quinine an amount which is equivalent to one-half grain of quinine, and of phosphate of cinchonine an amount which is equivalent to one grain of cinchonine.