TRACTORS

Towards the end of the M ( tntury Dr. Elisha Perkins, of Norwich, in Conv' til lit, introduced a method of treating diseases by ra\'ing over the affected part two small metallic rods I'.li: of different metals, which he called metallic trac)is, and the operation was called tractoration. The ise of tractors has been called Perkinism, as that of nimal magnetism has been called Mesmerism. It is alaost needle to say that metallic tractors only operate n the fancy of the patient. ( Hooper's Medical Dicionnry.) [s. 1402]