Like his electrotherapy patients, the children were largely poor relief cases who could not afford to pay for medical treatment and were much used for the training of medical students.
They were widely used in x-ray machines, spark-gap radio transmitters, arc lighting and quack medical electrotherapy devices from the 1880s to the 1920s.
Its chief market was amongst the numerous quack practitioners who were taking advantage of the popularity of the relatively new treatment of electrotherapy, or electrification as it was then known.
The use of electrotherapy to modulate pain is characterized in one of four ways: subsensory-level stimulation, sensory-level stimulation, motor-level stimulation, and noxious-level stimulation.
Influenced by electrotherapy and escharotics the medical application of caustic substances doctors began using radiation to treat growths and lesions produced by diseases such as lupus, rodent ulcer, and epithelioma.
