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Invention & Technology MagazineWinter 1993    Volume 8, Issue 3
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Cover Story


The year was 1893, and the Midwest was experiencing World’s Fair fever. Chicago’s town fathers, eager to show that their prairie city was more than just a cow town, had created a grand spectacle to celebrate (a year late) the four-hundredth anniversary of the discovery of America. Columbus may have been the excuse, but from the day of its opening the theme of the Columbian Exposition, like that of most world’s fairs, was Progress.

To the 21 million Americans who thronged the 600-acre fair to see the wonders of the age, no marvel was more a symbol of progress than electricity. From opening day, on May 1, when President Grover Cleveland pressed a button to activate the electrically operated fountains, fairgoers were treated to an electrical extravaganza. They saw Ötis elevators, the great Ferris wheel, clean and silent trains and boats, and a baby incubator, all running on electricity. After dark the grounds blazed with multicolored lights strung from pavilion to pavilion. The administration building alone was strung with more than 5,000 of Edison’s incandescent bulbs.

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Feature Stories 
 
HOW ENGINEERS LOSE TOUCH
In a world of ever-more-complicated simulations and theories, it’s easy to forget the importance of practical experience.
by Eugene S. Ferguson
STRAIGHT UP
Kicked out of Russia virtually penniless, Igor Sikorsky came to America and pioneered the design of flying boats, then helicopters.
by Curt Wohleber
THE BIG ENGINE THAT COULDN’T
John Ericsson’s “caloric” (hot-air) engine promised a revolution in power generation. The only problem: It was impossible.
by Michael Lamm
ART BY DESIGN
The humble coat hanger has undergone a surprisingly extensive process of change and refinement.
ONE GAUGE: HOW HUNDREDS OF INCOMPATIBLE RAILROADS BECAME A NATIONAL SYSTEM
In the mid-1800s America’s fast-growing railroads couldn’t form a true network until everyone’s trains fit the same tracks.
by John F. Stover
 
 
 
Departments 
 
THEY’RE STILL THERE
The telescoping Elmhurst gas tanks in Queens, New York, have been serving hundreds of thousands of customers since 1910.
by Richard F. Snow
NOTES FROM THE FIELD
Some new, and some not-so-new, ideas about the Tacoma Narrows Bridge; also, a look at Buffalo’s industrial past and what remains today.
by Frederic D. Schwarz
POSTFIX
The Antarctic Snow Cruiser of 1939 was an amazing feat of engineering. Or would have been—if it had worked.
by Peter Muller
 
 
 
 
 

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