Low-frequency electrotherapy machine

Made:
1850-1880 in France
Low-frequency electrotherapy machine, cased, without cell

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Low-frequency electrotherapy machine, cased, without cell
Science Museum Group

Low-frequency electrotherapy machine, cased, without cell, owned by Dr. P.F. Gachet, French, no maker marked, 1850-1880. Large heavy coil with no sliding core, double water regulators, multiple connections for attachments or battery but no markings, two electrodes (brush and arrow).