Channing, William F.(William Francis),1820-1901 · Boston : Thomas Hall · leaf 269
Pig. 17. No. 17. Medium size Magneto-Electric Machine, iiibox, suitable for a physicians office. Price, $35.00. 12 halls catalogue … Pig. 18. No. 18. Magneto-Electric Machine, without box, neat-ly mounted on rosewood base. Price, $25.00. No. 19. Magneto-Electric Machine, with Single Magnet.This is intended for institutions. Price, $80.00. No. 20. Largest Size, run with Clockwork, with fourcoils, producing quantity and intensity…
Electrotherapy · Medicine, Physical · Electricity
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
