Image: JFIScrewThread300

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JFIScrewThread300.png ‎(300 × 363 pixels, file size: 34 KB, MIME type: image/png)

Description: Graphic representation of formulas for the pitches of threads of screw bolts
Title: JFIScrewThread300
Credit: Franklin Institute
Author: William Sellers
Permission: public domain
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

Image usage

The following 5 pages link to this image:

International standard
Joseph Whitworth
Screw thread
Second Industrial Revolution
Standardization

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