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Marks' Standard Handbook for Mechanical Engineers 11th Edition by Eugene, Theodore and Ali M. Sadegh
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Marks' Standard Handbook for Mechanical Engineers 11th Edition by Eugene, Theodore and Ali M. Sadegh

Preface to the Eleventh Edition:

The evolutionary trends underlying modern engineering practice are grounded not only on the tried and true principles and techniques of the past, but also on more recent and current advances. Thus, in the preparation of the eleventh edition of “Marks’,” the Editors have considered the broad enterprise falling under the rubric of “Mechanical Engineering” and have added to and/or amended the contents to include subject areas that will be of maximum utility to the practicing engineer.

That said, the Editors note that the publication of this eleventh edition has been accomplished through the combined and coordinated efforts of contributors, readers, and the Editors. First, we recognize, with pleasure, the input from our many contributors—past, continuing, and those newly engaged.

Their contributions have been prepared with care, and are authoritative, informative, and concise. Second, our readers, who are practitioners in their own wise, have found that the global treatment of the subjects presented in the “Marks’” permits of great utility and serves as a convenient ready reference.

The reading public has had access to “Marks’” since 1916, when Lionel S. Marks edited the first edition. This eleventh edition follows 90 years later. During the intervening years, “Marks’” and “Handbook for Mechanical Engineers” have become synonymous to a wide readership which includes mechanical engineers, engineers in the associated disciplines, and others.

Our readership derives from a wide spectrum of interests, and it appears many find the “Marks’” useful as they pursue their professional endeavors. The Editors consider it a given that every successive edition must balance the requests to broaden the range or depth of subject matter printed, the incorporation of new material which will be useful to the widest possible audience, and the requirement to keep the size of the Handbook reasonable and manageable.

We are aware that the current engineering practitioner learns quickly that the revolutionary developments of the recent past soon become standard practice. By the same token, it is prudent to realize that as a consequence of rapid developments, some cutting-edge technologies prove to have a short shelf life and soon are regarded as obsolescent—if not obsolete.

The Editors are fortunate to have had, from time to time, input from readers and reviewers, who have proffered cogent commentary and suggestions; a number are included in this edition. Indeed, the synergy between Editors, contributors, and readers has been instrumental in the continuing usefulness of successive editions of “Marks’ Standard Handbook for Mechanical Engineers.

” The reader will note that a considerable portion of the tabular data and running text continue to be presented in dual units; i.e., USCS and SI. The date for a projected full transition to SI units is not yet firm, and the “Marks’” reflects that. We look to the future in that regard. Society is in an era of information technology, as manifest by the practicing engineer’s working tools.

For example: the ubiquitous personal computer, its derivative use of software programs of a vast variety and number, printers, computer-aided design and drawing, universal access to the Internet, and so on. It is recognized, too, that the great leaps forward which are thereby enhanced still require the engineer to exercise sound and rational judgment as to the reliability of the solutions provided.

Last, the Handbook is ultimately the responsibility of the Editors. The utmost care has been exercised to avoid errors, but if any inadvertently are included, the Publisher and Editors will appreciate being so informed. Corrections will be incorporated into subsequent printings.

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