The electro-therapeutic guide, or, A thousand questions asked and answered . rtain of these may be classed as permanent office fixtures. However, it is sometimes more convienent to have somethingwhich, while complete and permanent, may stillbe movable. Such a cabinet is shown in the ac-companying cut. This consists of a cabinet witha glass door which, while protecting when notin use, still does not hide. This contains aswitchboard complete with all of the essentialsenumerated elsewhere, mounted on a white mar-ble plate 18x24, with ample room behind it forforty dry cells, which
The electro-therapeutic guide, or, A thousand questions asked and answered . rtain of these may be classed as permanent office fixtures. However, it is sometimes more convienent to have somethingwhich, while complete and permanent, may stillbe movable. Such a cabinet is shown in the ac-companying cut. This consists of a cabinet witha glass door which, while protecting when notin use, still does not hide. This contains aswitchboard complete with all of the essentialsenumerated elsewhere, mounted on a white mar-ble plate 18x24, with ample room behind it forforty dry cells, which will not spill. The caseis placed on a base with iron legs, making itstrong. It has rollers underneath, so that it maybe easily tranpsorted about a room, or from oneroom to another, if necessary. It niaj^ also beoperated with the no volt direct incandescentlight current, the adaptation and use of whichwill be taken up in detail later. In this event,all that is necessary is a flexible cord and plugto screw into suitable sockets placed at convenient points, where you desire. ^iuilillill THE ElvECrRO-THERAPEUTlC GUIDE 59 to use the roller cabinet, A plate glass shelf below will temporarily ac-commodate the electrodes, etc., but all these should be protected from at-mosphere, to preseve their finish when not in use. What is the nature and effect of the commercial current? The constant current generated by a dynamo or storage battery differsin action in no essential particular from the constant or galvanic currentproduced by chemical action in some one or other of the many forms of gal-vanic cells customarily used by physicians, while the electro-motive forceis, as a rule, much less variable. The advantage to the physician of hav-ing a current supply from a central station and thereby freeing him fromthe innumerable annoyances inseperable from the attempt to keep a seriesof primary batteries in efHcient working condition, can be readily seen andappreciated by all who have worked in
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