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;
Fluid extract of coca, 2 fluidounces.
Simple elixir, 14 fluidounces.
Purified talcum, 120 grains.
Triturate the fluid extract of coca with the purified talcum, and gradually add the elixir, shaking well together and agitating occasionally for twenty-four hours, then filter.
Each fluidrachm represents seven and one-half grains of coca.