Vintage Mrs. Winslow’s Soothing Syrup Curtis & Perkins Proprietors Bottle. Winslow's Soothing Syrup, a patient medicine that contained morphine. The Syrup was introduced in the 19th Century and marketed to teething babies, clean teeth and freshen your breath. The bottle is 5 inches Tall and has a diameter of 1 1/4". The Bottle has no chips or cracks and still has the cork.