. A manual of electro-static modes of application, therapeutics, radiography, and radiotherapy . n contact with thepatient or any other conducting media are therefore of theopposite polarity. The tubes employed are of low or high vacuum, and may beeither constructed on the Geissler pattern, having a metallicconnection from without, or without wire connection to theinterior. This, however, is not of practical advantage in mostcases. An adjustable insulated handle, Fig. 20, of solid glass orvulcanite is a convenience permitting the operator to handle theelectrode during an administration without
. A manual of electro-static modes of application, therapeutics, radiography, and radiotherapy . n contact with thepatient or any other conducting media are therefore of theopposite polarity. The tubes employed are of low or high vacuum, and may beeither constructed on the Geissler pattern, having a metallicconnection from without, or without wire connection to theinterior. This, however, is not of practical advantage in mostcases. An adjustable insulated handle, Fig. 20, of solid glass orvulcanite is a convenience permitting the operator to handle theelectrode during an administration without lessening the dis-charge from the current, which would otherwise pass offthrough his person. When a static machine is employed to produce the dis-charges the positive pole should be grounded and the electrodeconnected with the holder either placed in some cavity of thepatient, or held by the operator and connected with the nega-tive pole. The spark-gap should then be closed to about one-half inch and the machine started, after which the spark-gapis regulated to the condition of the
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