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Invention & Technology MagazineFall 1989    Volume 5, Issue 2
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Cover Story


In 1847 a citizen of Concord, Massachusetts, who had been in Harvard’s class of 1837, responded to a letter from his class secretary, asking about life ten years after college, by writing, with little regard for conventional punctuation: “I dont know whether mine is a profession, or a trade, or what not. … It is not one but legion. I will give you some of the monster’s heads. I am a Schoolmaster—a private Tutor, a Surveyor—a Gardener, a Farmer—a Painter. I mean a House Painter, a Carpenter, a Mason, a Day-Laborer, a Pencil-Maker, a Glass-paper Maker, a Writer, and sometimes a Poetaster. … For the last two or three years I have lived in Concord woods alone, something more than a mile from any neighbor, in a house built entirely by myself ”

Later in life this alumnus would also identify himself as a civil engineer. And while he would have had little inclination to join a professional society, his story is as relevant for an understanding of nineteenth-century engineering as it is for an appreciation of American transcendentalism. This Harvard alumnus was Henry David Thoreau.

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Feature Stories 
 
AN AIRPLANE IS NOT A BIRD
Of course not—yet the analogy has repeatedly held back design improvement.
by John S. Harris
THE GREATEST BRIDGE NEVER BUILT?
It would have bestridden three big rivers like a Y-shaped Brooklyn Bridge, decades before that span was built.
by Joel A. Tarr and Steven J. Fenves
THE PATH OF LEAST RESISTANCE
It has taken most of a century for automobile makers to learn to design truly aerodynamic cars. Now they may be approaching the practical limits of streamlining.
by James J. Flink
THE BRIEF, SWIFT REIGN OF THE CLIPPERS
They were an extreme technological adaptation, built for speed at any price—and the price was soon too high.
by Nicholas Dean
SIDEWINDER
How a small Navy research team built an inexpensive guided missile that is still indispensable thirty-three years later.
by Ron Westrum and Howard A. Wilcox
 
 
 
Departments 
 
THEY’RE STILL THERE
The Cyclone roller coaster: a sixty-two-year-old machine that lifts a six-ton train ninety feet above the ground before letting gravity take over.
by Richard F. Snow
NOTES FROM THE FIELD
A leading aviation historian completes a major study of the Wright brothers.
by Curt Wohleber
POSTFIX
Fred Waring, the bandleader behind the blender.
by Curt Wohleber
 
 
 
 
 

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