File:LeatherResearch 027.jpg
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Size of this preview: 800 × 536 pixels. Other resolutions: 320 × 214 pixels | 640 × 429 pixels | 1,024 × 686 pixels | 1,280 × 857 pixels | 2,560 × 1,714 pixels | 3,590 × 2,404 pixels.
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Summary[edit]
| Description | Class: leather. Shoe testing machine designed by E. L. Wallace for determining the wearing quality of shoe uppers [postcard] | |||
| 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 | 17:09, 13 March 2014 | | 3,590 × 2,404 (9.25 MB) | NISTResearchLibrary (talk | contribs) |
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