Titlebook: Handbook of Precision Engineering; Volume 1 Fundamental A. Davidson Textbook 1970Latest edition N. V. Philips‘ Gloeilampenfabrieken, Eindho

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Electrical Contacts,h it operates, which includes the contact itself, the wipers, springs, method of actuation and the climate. A contact reaches the end of its useful life when it no longer has the desired reliability. Although the life can be extended by repair or replacement, one of the principal demands nowadays is that contacts should ..

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Introduction,ments, styling, planning, production facilities and so on. This makes his task quite difficult, so rarely is the design entirely satisfactory straight away. Only after tests have been carried out, and models constructed, will he be able to judge whether the design comes up to expectations.

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ee; others which may seem to err on the side of simplicity or of dog­ matism. For whatever imperfections there may be, the editors take full responsibility. They hope that no major topics have been omitted and that the coverage is sufficiently comprehensive as to provide the reader, whether he be directly inv978-0-85200-452-4978-94-011-5913-5

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A. Davidson which may seem to err on the side of simplicity or of dog­ matism. For whatever imperfections there may be, the editors take full responsibility. They hope that no major topics have been omitted and that the coverage is sufficiently comprehensive as to provide the reader, whether he be directly inv

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