. The story of the exposition; being the official history of the international celebration held at San Francisco in 1915 to commemorate the discovery of the Pacific Ocean and the construction of the Panama Canal. o the transformer, with a safety net beneath. At amillion-volt pressure it took 400 horse power to charge this large wire screenalone; and the energy was not from a high frequency source. Walkingunder the screen, one was curiously affected. The ends of the fingers a hat were held up, angry little sparks would jump from the hat band tothe fingers. A metal ball tossed in the a
. The story of the exposition; being the official history of the international celebration held at San Francisco in 1915 to commemorate the discovery of the Pacific Ocean and the construction of the Panama Canal. o the transformer, with a safety net beneath. At amillion-volt pressure it took 400 horse power to charge this large wire screenalone; and the energy was not from a high frequency source. Walkingunder the screen, one was curiously affected. The ends of the fingers a hat were held up, angry little sparks would jump from the hat band tothe fingers. A metal ball tossed in the air became a shooting star. Ladieshat pins were highly charged. A sheet metal condenser supportedToying with ^^ ^ ^^jj ^qq^^^ frame would spit little streaks of lighting four or Lightning . . . , five inches long at a piece of iron pipe pointed at it and keep itup until you got tired of the queer strain in your elbow. At night engineersand scientists were invited to tamper with the charge by means of heliumand neon gas tubes. When the tubes were waved in the air the negative andpositive ions could be readily detected, the negative showing a narrowbright line and the positive a sluggish, heavy, dim THE THORDARSON TRANSFORMER
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Keywords: ., bookcentury1900, bookdecade1920, bookidstoryofexpos, bookyear1921
