A manual of practical medical electricity : the Röntgen rays and Finsen light . Fig. 50.—Connections of Double Collector. a key for reversing the poles. The usual modern form con-sists of a suitable frame holding three brass plates or studs(Figs. 51 and 52), over which two brass arms can be made. Fig. 51.—Current Reverser. to slide, and which are fixed at such a distance from eachother by a non-conductor as to allow of their making Accessories 97 contact with the central stud and either W. or N. Thearms are connected by the pivots on which they turn withthe two terminals of the battery-box. Th


A manual of practical medical electricity : the Röntgen rays and Finsen light . Fig. 50.—Connections of Double Collector. a key for reversing the poles. The usual modern form con-sists of a suitable frame holding three brass plates or studs(Figs. 51 and 52), over which two brass arms can be made. Fig. 51.—Current Reverser. to slide, and which are fixed at such a distance from eachother by a non-conductor as to allow of their making Accessories 97 contact with the central stud and either W. or N. Thearms are connected by the pivots on which they turn withthe two terminals of the battery-box. The central stud isconnected to the + pole of the cells, and W. and N. tothe — pole. In the position the arms are in in the diagram,the battery-box terminals are + and — respectively ; if (§;g<°)_


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectelectro, bookyear1902