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NICK COOK 23<br />

the following year switched to Ohio's Denison University where he<br />

came under the tutelage of physicist and astronomer Dr. Paul Alfred<br />

Biefeld, a former classmate of Einstein's in Switzerland. In earlier experimentation,<br />

Brown had made the startling discovery that a Coolidge<br />

X-ray tube exhibited thrust when charged to high voltage. It took Brown<br />

a while to realize that the motion was not caused by the X rays themselves,<br />

but by the electricity coursing through the tube. Brown went on<br />

to develop a device he called the "Gravitor," an electrical condenser<br />

sealed in a Bakelite case, that would exhibit a one percent weight gain or<br />

a one percent weight loss when connected to a 100-kilovolt power supply.<br />

In 1929, Brown wrote up his discoveries in a paper entitled How I Control<br />

Gravitation and speculated as to how his invention might one day be used:<br />

"The Gravitor, in all reality, is a very efficient motor. Unlike other<br />

forms of motor, it does not in any way involve the principles of electromagnetism,<br />

but instead it utilizes the principles of electro-gravitation.<br />

"A simple gravitor has no moving parts, but is apparently capable of<br />

moving itself from within itself. It is highly efficient for the reason that it<br />

uses no gears, shafts, propellers or wheels in creating its motive power. It<br />

has no internal mechanical resistance and no observable rise in temperature.<br />

Contrary to the common belief that gravitational motors must<br />

necessarily be vertical-acting, the gravitor, it is found, acts equally well in<br />

every conceivable direction."<br />

This ability to manipulate the force in all axes opened up the<br />

Gravitor's potential to aviation. Brown's research led him to the development<br />

of a shape that was the most efficient in the production of electrogravitational<br />

lift: that of a perfect disc or saucer.<br />

The way he proposed to control the craft was by dividing the disc into<br />

segments, each of which could be selectively charged. By moving the<br />

charge around the rim of the saucer, it would, Brown said, be possible to<br />

make it move in any direction.<br />

I had to remind myself that this was the 1920s.<br />

The aviation industry was still absorbing the technical lessons of the<br />

First World War, the biplane was king and fighters, typified by the<br />

Boeing Model ISA, a leading U.S. design of the mid-1920s, were<br />

struggling to attain top speeds of 160 mph.<br />

But although Brown's principles seemed to have been confirmed by<br />

observation—something, after all, was causing his condenser plates to<br />

move, however much the naysayers denigrated the possibility that it was<br />

due to an electrogravitic reaction—he had no way of generating and<br />

maintaining an electrical charge that would keep a small model craft in<br />

the air, let alone to maneuver it. This force was calculated to be in the

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