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;
Bromide of potassium, 1280 grains.
Simple elixir, a sufficient quantity.
Dissolve the bromide of potassium in twelve fluid ounces of simple elixir, and add to this solution enough simple elixir to bring the whole to the measure of sixteen fluidounces
Each teaspoonful of the finished elixir represents ten grains of potassium bromide, and is the same in strength as that adopted by the American Pharmaceutical Association, 1875.