File:LeatherResearch 002.jpg
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Size of this preview: 800 × 532 pixels. Other resolutions: 320 × 213 pixels | 640 × 426 pixels | 1,024 × 681 pixels | 1,280 × 852 pixels | 2,560 × 1,704 pixels | 3,545 × 2,359 pixels.
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Summary[edit]
| Description |
Cross-section of typical vegetable-tanned leather used for sole leather. Note the layer of fine fibers (grain) at the top through which the hair penetrates and the network of small and large fibers underneath. Microscopic examinations of leather are made to study the influence of various tanning and finishing operations upon the structure. Class: VII- organic and fibrous; 4-leather |
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| Date | ||||
| Source | National Institute of Standards and Technology | |||
| Author | National Institute of Standards and Technology | |||
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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:02, 13 March 2014 | | 3,545 × 2,359 (9.42 MB) | NISTResearchLibrary (talk | contribs) |
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