Channing, William F.(William Francis),1820-1901 · Boston : Thomas Hall · leaf 261
Fig. 6. No. 6. Coil and Battery, in box, for family use. Avery convenient form, including handles and wire. Price,$10.00. … Fig. 7. No. 7. Double Helix and Vibrating Electrotome, withbattery and handles. Neatly mounted on rosewood base.Price, $8, $10, and $12.00. No. 8. Small Coil, in neat rosewood box, with batteryand handles. Price, $8.00. OP ELECTRO-MEDICAL INSTRUMENTS.
Electrotherapy · Medicine, Physical · Electricity
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