Syrup of Myrrh.
Take Myrrh 2 drams (or at most half an ounce) grind it with brown Sugar-candy 4 ounces; dissolve it in hard boiled whites of Eggs (just as Oil of Myrrh by deliquium is prepared).
It's most excellent in an inveterate Cough, Phtisick, and Ulcer of the Kidneys.
Thomas Fuller
Pharmacopeia Extemporanea 1710