. A manual of electro-static modes of application, therapeutics, radiography, and radiotherapy . Fig. 21.—Surface. ing glass insulation for the purpose of delivering the main forceof the discharge at the extremity of the tube as shown in These tubes possess no special advantage, and, like the glasstest tube used in connection with the brush-discharge, are more. Fig. 22.—Vaginal. apt to puncture during administrations. More recently, thevacuum tubes have come into general favor, and are practicaland not so apt to puncture. The writer has designed numerous shapes in glass electrodes 44 S
. A manual of electro-static modes of application, therapeutics, radiography, and radiotherapy . Fig. 21.—Surface. ing glass insulation for the purpose of delivering the main forceof the discharge at the extremity of the tube as shown in These tubes possess no special advantage, and, like the glasstest tube used in connection with the brush-discharge, are more. Fig. 22.—Vaginal. apt to puncture during administrations. More recently, thevacuum tubes have come into general favor, and are practicaland not so apt to puncture. The writer has designed numerous shapes in glass electrodes 44 STATIC ELECTRICITY. which will be found convenient for special applications, which,are used with a handle (Fig. 20), of insulating material ofvulcanite or glass adapted for holding the various vacuumtubes. Fig. 21 represents an electrode for making applications tothe surface of the body over the clothing or next to the skin.
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