|Chloral Hydrate||5.00|||||1 ounce|
|Extract of Indian Hemp||0.50|||||44 grains|
|Essential Oil of Camphor||25.00|||||5 ounces|
|Methyl Salicylate||to 100.00|||||to 20 ounces|
Triturate the extract with the menthol and chloral hydrate, dissolve the mixture in the essential oil of camphor, and make up to the required volume with methyl salicylate; set aside for twenty-four hours; filter.
The British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain.