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 rhubarb, 1/2 fluidounce.
Fluid extract of senna, 1/2 fluidounce.
Fluid extract of taraxacum, 1/2 fluidounce.
Fluid extract of buckthorn bark, 1/4 fluidounce.
Fluid extract of ginger, 1/4 fluidounce.
Rochelle salt, 1 troyounce.
Simple elixir, 14 fluidounces.
Carbonate of magnesium, a sufficient quantity.
Triturate the fluid extracts (having previously mixed them together) in a capacious mortar with carbonate of magnesium in amount sufficient to form a creamy mixture; then gradually add the simple elixir, stirring well, and filter. Lastly, dissolve in the filtrate the Rochelle salt.
This elixir is about like that of Mr. R. W. Gardner, as published in the Proceedings of the American Pharmaceutical Association, 1880, excepting that we have omitted phosphate and bicarbonate of sodium.