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;
Chloral hydrate, 640 grains.
Simple elixir, 15 1/2 fluidounces.
Dissolve the chloral hydrate in the simple elixir, and filter if necessary.
Each fluidrachm (teaspoonful) of the finished elixir contains five grains of hydrate of chloral, which is one-half the amount present in syrup of chloral of the British Pharmacopoeia.