Vernier Scale的封面
书籍主题:

Vernier Scale

Alphascript Publishing (2010-09-09 )

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ISBN-13:

978-613-2-76532-1

ISBN-10:
6132765328
EAN:
9786132765321
书籍语言:
英文
作品简介:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A vernier scale is an additional scale which allows a distance or angle measurement to be read more precisely than directly reading a uniformly-divided straight or circular measurement scale. It is a sliding secondary scale that is used to indicate where the measurement lies when it is in between two of the marks on the main scale. Verniers are common on sextants used in navigation, scientific instruments used to conduct experiments, machinists' measuring tools (all sorts, but especially calipers and micrometers) used to work materials to fine tolerances and on theodolites used in surveying. When a measurement is taken by mechanical means using one of the above mentioned instruments, the measure is read off a finely marked data scale (the "fixed" scale, in the diagram). The measure taken will usually be between two of the smallest graduations on this scale. The indicating scale ("vernier" in the diagram) is used to provide an even finer additional level of precision without resorting to estimation.
出版社 :
Alphascript Publishing
网址:
https://www.alphascript-publishing.com/
出版发行由:
Frederic P. Miller, Agnes F. Vandome, John McBrewster
页码 :
76
发表日期:
2010-09-09
现货:
备有现货
类别:
技术
价格:
51.00 $
关键词:
Scientific, Instrument, Machinist, surveying, Vernier, Nunes, Micrometer

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