File:America's Highways 1776–1976 - page 347.jpg
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Size of this preview: 800 × 404 pixels. Other resolutions: 320 × 162 pixels | 640 × 324 pixels | 1,024 × 518 pixels | 1,280 × 647 pixels | 2,178 × 1,101 pixels.
Original file (2,178 × 1,101 pixels, file size: 1.45 MB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: This trailer measures pavement skid resistance. A prescribed film of water is spread on the pavement junk prior to brake application. Instruments on the trailer measure wheel motion and traction during the entire braking cycle. |
| Date | |
| Source | https://en.wikisource.org/wiki/Page:America%27s_Highways_1776%E2%80%931976.djvu/353 |
| Author | Federal Highway Administration |
Licensing
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This image is a work of a United States Department of Transportation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. | 
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:55, 9 January 2023 | | 2,178 × 1,101 (1.45 MB) | Sp1nd01 | Uploaded a work by Federal Highway Administration from https://en.wikisource.org/wiki/Page:America%27s_Highways_1776%E2%80%931976.djvu/353 with UploadWizard |
File usage
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