Channing, William F.(William Francis),1820-1901 · Boston : Thomas Hall · leaf 266
very convenient * See Halls Instructions for Electro-Gilding and Silvering. OF ELECTROMEDICAL INSTRUMENTS. 9 method of operating, as you need no assistant. This isconnected by the wire in between the instrument and thehandle which the patient holds. By pressing the springdown it closes the circuit.… … i;|!|;ji-ij&;i|l:ii|i;jlllii! ,.:,.■■■ ■ . ! lUmilll ill 11 ■ -11111 111 I IlllllllUlU! ■ Pig. 15. No. 15. Halls Improved Compound Magnetic Instru-ment, producing a constant current. For Rheumatic andNervous Diseases.* In offering this instrument to the public, we would calltheir attention to…
Electrotherapy · Medicine, Physical · Electricity
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
