Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 556
sacrum. Mammary Glands, Insufficiency of: Rapid sinusoidal. (Dr. Chas. L.Ireland.) One pad between third and fourth dorsal vertebras and other overglands. Treatments five to ten minutes daily until normal secretionsare obtained. Cases have been reported where nourishment was impossible in whichan… … 4,650.—MacLagan sinusoidal controller for securing a rapid sinusoidal current for con-nection with 110 volt, alternating current circuit. The apparatus consists of a currentcontroller or rheostat wound with a fine quality of resistance wire controlled by a leverwhich permits of a gradual increase…
Electrical engineering
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