John E. Westfall's Books

Atlas of the Lunar Terminator

By: John E. Westfall

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Atlas of the Lunar Terminator

By: John E. Westfall

Showcasing features just a mile across in 47 high-resolution images.

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Page Count

314

Publisher

Cambridge University Press

Published Date

ISBN 10

0521590027

ISBN 13

9780521590020

Tunnel Engineering Handbook

By: Thomas R. Kuesel,Elwyn H. King,John O. Bickel

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Tunnel Engineering Handbook

By: Thomas R. Kuesel,Elwyn H. King,John O. Bickel

The Tunnel Engineering Handbook, Second Edition provides, in a single convenient volume, comprehensive coverage of the state of the art in the design, construction, and rehabilitation of tunnels. It brings together essential information on all the principal classifications of tunnels, including soft ground, hard rock, immersed tube and cut-and-cover, with comparisons of their relative advantages and suitability. The broad coverage found in the Tunnel Engineering Handbook enables engineers to address such critical questions as how tunnels are planned and laid out, how the design of tunnels depends on site and ground conditions, and which types of tunnels and construction methods are best suited to different conditions. Written by the leading engineers in the fields, this second edition features major revisions from the first, including: * Complete updating of all chapters from the first edition * Seven completely new chapters covering tunnel stabilization and lining, difficult ground, deep shafts, water conveyance tunnels, small diameter tunnels, fire life safety, tunnel rehabilitation and tunnel construction contracting *New coverage of the modern philosophy and techniques of tunnel design and tunnel construction contracting The comprehensive coverage of the Tunnel Engineering Handbook makes it an essential resource for all practicing engineers engaged in the design of tunnels and underground construction. In addition, the book contains a wealth of information that government administrators and planners and transportation officials will use in the planning and management of tunnels.

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Page Count

559

Publisher

Springer Science & Business Media

Published Date

ISBN 10

1461304490

ISBN 13

9781461304494

Celestial Shadows

Eclipses, Transits, and Occultations

By: John Westfall,William Sheehan

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Celestial Shadows

Eclipses, Transits, and Occultations

By: John Westfall,William Sheehan

Much of what is known about the universe came from the study of celestial shadows. This book looks in detail at the way eclipses and other celestial shadows have given us amazing insights into the nature of the objects in our solar system and how they are even helping us discover and analyze planets that orbit stars other than our Sun. A variety of eclipses, transits, and occultations of the mooons of Jupiter and Saturn, Pluto and its satellite Charon, asteroids and stars have helped astronomers to work out their dimensions, structures, and shapes - even the existence of atmospheres and structures of exoplanets. Long before Columbus set out to reach the Far East by sailing West, the curved shadow of the Earth on the Moon during a lunar eclipse revealed that we inhabit a round world, a globe. More recently, comparisons of the sunlit and Earthlit parts of the Moon have been used to determine changes in the Earth's brightness as a way of monitoring possible effects in cloud coverage which may be related to global warming. Shadows were used by the Greek mathematician Eratosthenes to work out the first estimate of the circumference of the Earth, by Galileo to measure the heights of the lunar mountains and by eighteenth century astronomers to determine the scale of the Solar System itself. Some of the rarest and most wonderful shadows of all are those cast onto Earth by the lovely "Evening Star" Venus as it goes between the Earth and the Sun. These majestic transits of Venus occur at most two in a century; after the 2012 transit, there is not a chance to observe this phenomenon until 2117, while the more common sweep of a total solar eclipse creates one of the most dramatic and awe-inspiring events of nature. Though it may have once been a source of consternation or dread, solar eclipses now lead thousands of amateur astronomers and "eclipse-chasers" to travel the globe in order to experience the dramatic view under "totality." These phenomena are among the most spectacular available to observers and are given their full due in Westfall and Sheehan's comprehensive study.

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Page Count

727

Publisher

Springer

Published Date

ISBN 10

1493915355

ISBN 13

9781493915354

Book's by John E. Westfall

Atlas of the Lunar Terminator

Atlas of the Lunar Terminator

Tunnel Engineering Handbook

Tunnel Engineering Handbook

Celestial Shadows

Celestial Shadows

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