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1) Machines
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Description
Surveys the development of machinery from the simple lever and wedge to modern complex machines.
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Robert Gilmour LeTourneau, the inventor of earthmoving machines, secured nearly 300 patents over the course of his life. During World War II, about 70 percent of the earthmovers and engineering vehicles were his machines that were invaluable to the Allied war effort. With outstanding photography, this overview of 90-years-plus of manufacturing features the company's earliest earthmoving equipment introductions in 1921, all the way up to today's ultra-large...
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In the vast grain fields of early America the size of a farmer's crop was limited by how quickly the grain could be harvested. For some crops, the transition to a mechanical harvest in the early 20th century was simple. Modern cutting and threshing operations have reached a new level of speed and efficiency.
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"The second edition of Vibration Spectrum Analysis includes vital new information on current instrumentation, along with case studies, additional appendixes, and new practice questions." "Written for vibration analysts, predictive maintenance specialists, field mechanics, and a wide variety of engineers, Vibration Spectrum Analysis assumes no prior knowledge of advanced mathematics or mechanical engineering. It carefully guides the reader through...
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As collector's items, old tools and implements, especially those connected with country crafts and occupations, are much sought after. As crowd-pullers, displays of agricultural machinery, particularly traction engine rallies and related examples of early motive power such a heavy-horse ploughing matches, are enjoying increasingly large audiences.
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Denny considers five ancient mechanical inventions and demonstrates how they literally changed the world. Interweaving narrative with diagrams, equations, and drawings, Denny shares the history of each device, explains the physics behind it, and describes how it was used, how it evolved, and why it is significant in today's world. Reflecting on the inventors of these ancient machines and the times in which they lived, the author concludes with observations...
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"On the Great Plains custom combining is an accepted institution, one taken so for granted that its origins are obscured. This first study of the industry, generously illustrated and spiced with oral history, refreshes the memory of the early days and traces the development of custom cutting to the present."--Jacket.
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"From the basics of physical forces and mathematical formulas to performer flying and stage automation, Entertainment Rigging for the 21st Century provides you with insider information into rigging systems and the skills you need to safely operate them. Over the past decade, the entertainment industry has witnessed major changes in rigging technology, as manually operated rigging has given way to motorized systems in both permanent and touring productions,...
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Cooling is more than a luxury--nowadays it's a necessity. Without refrigerated shipping and stocking, fresh food wouldn't reach our supermarkets so easily. Can you imagine living without it? Air-conditioning, on the other hand, was invented as a means to control the humidity that was ruining the paper of printing offices, rather than as the technology we now use to cool off. This program discovers that you can't create cold; you can only "move" temperature...
19) Cold
Description
Only in the last 200 years have humans learned how to make things cold. Johnson explains how ice entrepreneur Frederic Tudor made ice delivery the second biggest export business in the U.S. and visits the place where Clarence Birdseye, the father of the frozen food industry, experienced his eureka moment. He also travels to Dubai to see how mastery of cold has led to penguins in the desert. From IVF to food, politics and Hollywood to human migration,...
Description
The chapters in this book centre around one main theme, the concept of the machine and its use as metaphor in a variety of contexts. This concept is deeply rooted in western culture and is frequently used to interpret complex systems in nature and society. With the advent of electronic computers, the machine metaphor applied to thinking and the brain has becOIne even more pertinent. The idea of a machine has changed over time. In this book these transformations...
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