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  2. Micrometer (device) - Wikipedia

    en.wikipedia.org/wiki/Micrometer_(device)

    Animation of a micrometer in use. The object being measured is in black. The measurement is 4.140 ± 0.005 mm. Micrometers use the screw to transform small distances [9] (that are too small to measure directly) into large rotations of the screw that are big enough to read from a scale. The accuracy of a micrometer derives from the accuracy of ...

  3. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/.../1951_USAF_resolution_test_chart

    A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens.

  4. Micrometre - Wikipedia

    en.wikipedia.org/wiki/Micrometre

    The micrometre (Commonwealth English as used by the International Bureau of Weights and Measures; [1] SI symbol: μm) or micrometer (American English), also commonly known by the non-SI term micron, [2] is a unit of length in the International System of Units (SI) equalling 1 × 10 −6 metre (SI standard prefix "micro-" = 10 −6); that is, one millionth of a metre (or one thousandth of a ...

  5. File:Psychrometric chart - PMV method.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Psychrometric_chart...

    This file has been superseded by Psychrometric chart - PMV method.png. It is recommended to use the other file. It is recommended to use the other file. Please note that deleting superseded images requires consent .

  6. Template:Metric prefixes (inline table) - Wikipedia

    en.wikipedia.org/wiki/Template:Metric_prefixes...

    Template: Metric prefixes ... Upload file; Special pages; Permanent link; Page information; Get shortened URL; Download QR code; Print/export Download as PDF ...

  7. Template:Metric prefixes (inline table)/doc - Wikipedia

    en.wikipedia.org/wiki/Template:Metric_prefixes...

    This is a documentation subpage for Template:Metric prefixes (inline table). It may contain usage information, categories and other content that is not part of the original template page. Usage

  8. Template (file format) - Wikipedia

    en.wikipedia.org/wiki/Template_(file_format)

    Microsoft Word allows creating both layout and content templates. A layout template is a style guide for the file styles. It usually contains a chapter which explains how to use the styles within the documents. A content template is a document which provides a table of contents. It might be modified to correspond to the user's needs.

  9. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    The picometre (SI symbol: pm) is a unit of length in the metric system equal to 10 −12 metres (⁠ 1 / 1 000 000 000 000 ⁠ m = 0. 000 000 000 001 m). To help compare different orders of magnitude this section lists lengths between 10 −12 and 10 −11 m (1 pm and 10 pm).