Hoping for a wider use of an electric condenser apparatus, an improvement has been made of the connection of lines. The apparatus makes possible serial penetrations or indirect roentgenography at any desired time by means of pushing a button while viewing fluorescopic images. While it is easy with an all-wave rectifier apparatus to make a change to viewing-radiography, a condenser appiratus seems to be fit only for ordinary radiography, viewing being carried on by a half-wave rectifier for charging. Therefore, the method presented here would be of special significance.
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