[Medicine] Improved Patent Magneto - Electric machine, for nervous diseases
Joseph Gray & Co, c. 1862. Battery with magnet, spool and copper wire for patients suffering of nervous diseases. In wooden box (22 x 12 x 11 cm) with handle. Lacks metal handles, lock removed but present. With seller's vignette mounted in box + infusion bottle (1 litre) in tin stand with suspension system. With rubber transfusion hose with black bakelite tap and other accessories, c. 1870-1900.
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