File:Miscellaneous Papers on Mechanical Subjects - Fig. D.jpg

Miscellaneous_Papers_on_Mechanical_Subjects_-_Fig._D.jpg(587 × 473 pixels, file size: 22 KB, MIME type: image/jpeg)

Summary

Description
English: Fig. D. Tubular hexagonal Projectile Fig. d. Section of tubular hexagonal projectile
Date
Source https://en.wikisource.org/wiki/Page:Miscellaneous_Papers_on_Mechanical_Subjects.djvu/93
Author Joseph Whitworth

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:Miscellaneous_Papers_on_Mechanical_Subjects_-_Fig._D.jpg

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