A system of electrotherapeutics as taught by the International correspondence schools, Scranton, . Fig. 5A Direct-Reading Rheostat apparatus and appliances are necessary for successful workto be done. An ingenious workman may arrange at very. Fig. 6Another Type of Rheostat trifling expense an apparatus suitable for office-work. Forinstance, a battery may be made of cells made from ordinarytin cans, iron filings, a few porous cups, and carbon points. 10 ELECTRICITY IN DISEASES OF §18 Such a cell is shown in Fig. 8. A home-made rheostatconsists of a U-shaped tube of glass and a wire plunger
A system of electrotherapeutics as taught by the International correspondence schools, Scranton, . Fig. 5A Direct-Reading Rheostat apparatus and appliances are necessary for successful workto be done. An ingenious workman may arrange at very. Fig. 6Another Type of Rheostat trifling expense an apparatus suitable for office-work. Forinstance, a battery may be made of cells made from ordinarytin cans, iron filings, a few porous cups, and carbon points. 10 ELECTRICITY IN DISEASES OF §18 Such a cell is shown in Fig. 8. A home-made rheostatconsists of a U-shaped tube of glass and a wire plunger andspring, as shown in Fig. 9. We have used such apparatus andfound it verv serviceable.
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