figure 9.secondary coils, which should both be gutta-percha covered, are to be taken by the nearestpaths to the tubes, to the inside of them,through holes drilled for the purpose, and then … figure 10.up to the caps and fastened to them by screws,as shown in the sketches. Holes may be drilled in glass with ordinarydrills, whose points are kept wet with turpentine. FOR EVERYBODY. . I7 A discharging rod must be made for each cappiece. It must fit the hole in the cap snuglybut not…
X-rays · Fluorescence
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