Skinner’s Centesimal Fluxion Potentiser, 1878; designed to be used over a sink, with water from a tap providing the motive power through the wheel.

Note: Boericke & Tafel installed a version of Skinner’s machine in their pharmacy in Philadelphia in 1900.

Thomas Skinner, MD (1825 – 1906): originally sceptical, Skinner was successfully treated by the homeopathic doctor, Dr Thomas Berridge, and went on to study the subject under him and then himself set up a practice in Liverpool.