Lot N. 200
Patent Magneto-Electric Machine for Nervous Diseases, Davis & Kidder
second half of the 19th century
device patented in 1854, contained in original wooden box
h 11.5x26x12 cm
See: https://www.civilwamed.org/surgeons-call/magneto-electric-machine. To be retired to Florence, Via Masaccio area, close -up