File:EB1911 - Micrometer Fig. 1, 2, 3.png

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Summary

Description
English: Troughton's Micrometer
Date
Source

Encyclopædia Britannica Eleventh Edition, vol. 18, page 382

https://archive.org/details/encyclopaediabri18chisrich/page/382/mode/1up?view=theater
Author AnonymousUnknown author

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:EB1911_-_Micrometer_Fig._1,_2,_3.png

Captions

Troughton's Micrometer

Items portrayed in this file

depicts

1 January 1911Gregorian

image/png

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current11:14, 13 August 2023Thumbnail for version as of 11:14, 13 August 20231,051 × 667 (322 KB)DivermanAUUploaded a work by {{anonymous}} from Encyclopædia Britannica Eleventh Edition, vol. 18, page 382 https://archive.org/details/encyclopaediabri18chisrich/page/382/mode/1up?view=theater with UploadWizard

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