… the spark gap and the primary (L1) of the Tesla coil, producing higher voltage in the secondary of the coil (L2). … here is the 9-inch circular deck supported by four dowel rods, and an end cap positioned at its center. Figure 4 and … inches of the secondary coil will produce a beautiful blue lightning array from the lamp’s filament to the outer edge …

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… allowed technicians to vary the distance between the electrodes. The giant Van de Graaff system was capable of … called an “electric wind.” Tape one end of a narrow metal rod to the top of your Van de Graaff generator. Turn on the … will be able to see long, thin, bluish bolts of artificial lightning jump between the upper terminal and the base. It’s …
… as though a solar eclipse had taken place. Hazardous lightning bolts accompanied a downpour that took on the … the secondary of the ignition coil, may be a couple of zinc rods: brass or copper will also do. This gap is set short, …
… of wood 3/4 by 1 by 10 in., Fig. 2. Determine size of wood rod to be used through center of secondary coil form, and … centers, and place them 12 in. apart along a 3/4-in, dowel rod or old broom handle. Allow rod to extend several inches beyond ends of form so form may …
… small number of convolutions is sufficient to produce the required magnetism; besides, a greater surface is … armature G with sufficient force to clamp firmly the rod by means of the gripping jaws. At the same time the … armature G releases the hold of the gripping jaws upon the rod R, and the latter is allowed to drop a little, thus …
… figure bearing signs of close relationship to the mast-like rod sticking out of his bizarre barn-like structure. His … Not threadlike sparks now but fingers of fire. Wriggling rods of flame that lashed viciously into the heavens. The … popped out of his head as he saw full-fledged bolts of lightning darting into the air, accompanied by a barrage of …
… that Tesla could have stumbled on a superior electrode. After all he holds a patent on condensers. Credibility … the motor by two heavy, conspicuous cables. Two “spindles” (rods?) about 1/4” diameter by 3” long protruded from the … of 327MHz if 1/2-wave antenna) two 3” long x 1/4” diameter rods protruded from box (pushed in to activate car) Battery …
… XIX. ILLUMINATION 1. 2. 3. 4. 5. LOCOMOTIVE HEADLIGHT LIGHTNING ROD WATER FOUNTAIN APPLIED PHYSICS - OPTICS AND …
… impress Thor or Zeus! Now you can experience the thrill of lightning, but on a much smaller scale of, say a mere … in the figure, the form for L 1 is made with polystyrene rods and sheeting. While the plastic has excellent … 3/8" x 2 1/4" 6". The electrodes are brass and copper rods with a gap on the order of 1" between them. This …
… the sparks jumped out of the ball. After that display, the lightning rod was sort of mundane. Other tricks featured … passing electricity out of the fingers and a short pair of rods. Bill Wysock demonstrates his prowess as a human …