John Wesley's cure for raging madness

Apparently Wesley was something of a physician as well as a preacher. One of my colleagues has a copy of his book "Primitive physic: or, an easy and natural method of curing most diseases". Never having seen this before I have found it a fascinating insight into medical treatments in the late 18th century.

Here is his cure for raging madness:

You can read the full book in Google Books by clicking here.