not be any great difference of potential betweencontiguous portions of the secondary coil. The sectional con-struction has been developed to its highest degree in the jointlesssection coils of Mr. Miller. Under this patent each section consists of a single wire, coiled in a flat helix, and every… … Fig. 17.—Plan of Winding in Jointless Section Coils (Leslie Miller). the insulation of the secondary serves to diminish very considerablythe number of turns of wire necessary for producing a given lengthof spark, and thus reduces the weight and bulk of the coil. It alsoreduces both the ohmic…
X-rays · Radiography
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