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In 1901 this engineer proved that wireless waves were not affected by the curvature of the earth |
Marconi
|
$1,600 |
DJ |
ITALIAN SCIENTISTS |
2013-03-12 |
#6562 |
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(Sarah of the Clue Crew hovers over Rio de Janeiro, Brazil in a helicopter.) To switch on floodlights for Christ the Redeemer's dedication in 1931, this radio pioneer sent shortwave signals from Naples |
Marconi
|
$800 |
DJ |
SCIENTISTS |
2011-12-29 |
#6279 |
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With his cousin, this Italian physicist formed the Wireless Telegraph & Signal Co., Ltd. in 1897 |
Guglielmo Marconi
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$600 |
DJ |
SCIENTISTS |
1990-02-19 |
#1266 |