In 1918 in the Minster Post who copied it from another newspaper.
Take 6 or 10 onions, chop fine and put in a large spider over a hot fire. Add the same quantity of rye meal and enough vinegar to form a paste. Let it simmer 5 or 10 minutes and put in a cotton bag large enough to cover the lungs. Apply to the chest as hot as the patient can bear. Keep reheating and applying.
A spider was a cast iron pot with feet made to cook in a fireplace.
Old Minster Posts are available on the Minster Historical Society's website.