Do the bulbs attach in a particular way ?
Yes. It is imperative that the “A” bulb is attached to the upper left corner of the CRT frame and the “B” bulb to the lower right corner. The bulbs’ efficacy depends on a clear line of sight between the “A” and “B” bulbs’ centers and nothing should be placed between the bulbs. EMF-Bioshield extenders are available for those few CRTs with convex screens which block this line of sight. This arrangement is important because CRT screens refresh their images (60 to 75 times a second) with a series of electron beams which begin in the upper left screen corner and end in the lower right corner (in a typewritten pattern). EMF-Bioshield’s resonance timing is critical and reversing the bulbs eliminates their effectiveness. In fact switching the position of the “A” and “B” bulbs could increase the harmful effects of the screen by causing an “in-phase” resonance rather than a counterphase resonance. The bulbs should be attached on the CRT frame, as close as possible to the screen, but not on the s
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