Take croton oil, aqua ammonia, f.f.f; oil of cajuput, oil of origanum, in equal parts.
"The Arabian Art of Taming and Training Wild and Vicious Horses" by P. R. Kincaid
A little Origanum doth well with it.
"The Closet of Sir Kenelm Digby Knight Opened" by Kenelm Digby
Oil of origanum, one drachm, apothecaries' measure.
"The Cook's Oracle; and Housekeeper's Manual" by William Kitchiner
For twenty years the distillation of origanum oil has been made under Government control.
"Notes on Agriculture in Cyprus and Its Products" by William Bevan
It is extracted from Origanum oil by means of a 10% potash solution.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4" by Various