This ferris wheel was photographed not too long ago at a fair in Jerez de la Frontera, Cadiz, Spain. The first ferris wheel, designed by George W. Ferris, a Pennsylvania bridge-builder, was built for the 1893 Chicago World`s Fair, held to commemorate the 400th anniversary of Columbus`s landing in America. The Chicago Fair`s organizers wanted something that would rival the Eiffel Tower. When finished, the Ferris Wheel was considered an engineering wonder: two 140-foot steel towers supported the wheel. They were connected by a 45-foot axle, the largest single piece of forged steel ever made up until that time. The wheel section had a diameter of 250 feet and a circumference of 825 feet. Two 1000-horsepower reversible engines powered the ride. Thirty-six wooden cars held up to sixty riders each. The ride cost fifty cents and made $726,805.50 during the World`s Fair. The original Ferris Wheel was destroyed in 1906, but there are other ferris wheels at theme parks and carnivals everywhere. ( inventors.about.com ) Since 2021, the Ain Dubai wheel (at 250-metre or 820 ft).) in the United Arab Emirates is is currently the world`s tallest Ferris wheel.
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