. Radiography, x-ray therapeutics and radium therapy . ch is mounted uponthe shaft of the inter-rupter. It is in this con-nection similar to the micadisc valve designed by Miller, but in theMorton apparatus a rotaryconductor is made use ofon the same principle asthe rectifier on a Snookmachine. The amount ofcurrent which can bepassed through the high-tension switch is practi-cally unlimited, the onlyfactor at present limiting the output being the amount of energy whichcan be dealt with efficiently by a mercury break. The arrangement ofthe high-tension switch in relation to the mercur
. Radiography, x-ray therapeutics and radium therapy . ch is mounted uponthe shaft of the inter-rupter. It is in this con-nection similar to the micadisc valve designed by Miller, but in theMorton apparatus a rotaryconductor is made use ofon the same principle asthe rectifier on a Snookmachine. The amount ofcurrent which can bepassed through the high-tension switch is practi-cally unlimited, the onlyfactor at present limiting the output being the amount of energy whichcan be dealt with efficiently by a mercury break. The arrangement ofthe high-tension switch in relation to the mercury break is shown inFig. 193, the respective parts by similar letters on the three P are the contacts through which the primary current passes tothe coil when they are connected together by the revolving mercury S are the high-tension contacts connected in series with the X-ray tubecircuit, the conductor C being so set, in relation to the interrupter, that thewhole of the high-tension current passes through it, which is produced by the. Fig. 192.—-Morton rectifier fitted to a coil outfit, with controltable. THE MORTON RECTIFIER 273 break of the primary current. .,.When the primary current is made, a long air-gap is interposed in the secondary circuit, which prevents the passage of theinverse discharge. The apparatus can be arranged to give quick or slowinterruptions, the latter being particularly efficacious when used in thera-peutic work, adjustments being provided to facilitate the use of either typeof interruption. This arrangement appears to render the apparatus particu-larly applicable to -^ IS SI
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