. Campbell X-ray and high-frequency apparatus is the standard of the world : it has no peer . -& Z) 1—Surface -Rectal 2—Nasal Vaginal 3—Urethral 7-HandIe 4—Throat A special feature of our electrode sets is our Universal Handle. This handle is providedwith a large swivel ring for attachment of the cord from the coil and by means of the thumb-nutopposite combined with the peculiar construction of the metal collar, more perfect contact withthe electrode, and more rigidity in handle is accomplished than with any device heretoforedesigned for holding electrodes. Prices, Complete set of Electrodes,

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. Campbell X-ray and high-frequency apparatus is the standard of the world : it has no peer . -& Z) 1—Surface -Rectal 2—Nasal Vaginal 3—Urethral 7-HandIe 4—Throat A special feature of our electrode sets is our Universal Handle. This handle is providedwith a large swivel ring for attachment of the cord from the coil and by means of the thumb-nutopposite combined with the peculiar construction of the metal collar, more perfect contact withthe electrode, and more rigidity in handle is accomplished than with any device heretoforedesigned for holding electrodes. Prices, Complete set of Electrodes, with handle, & Single Electrodes, 75 centsHandle, 75 cents. INSULATED ELECTRODES. 12—Ear 13-Rectal 14—Post Nasal 16—Tongue 17—Urethral 15—Vaginal18—Nasal By the use of insulated electrodes the current may be more accurately localized—a mostimportant consideration in cavity work. Price $ each. 17

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrad, booksubjectxrays