File:Soil penetrometer.png
Soil_penetrometer.png (576 × 473 pixels, file size: 295 KB, MIME type: image/png)
Captions
Summary
[edit]DescriptionSoil penetrometer.png |
English: Soil penetrometer for checking potential airstrip areas, developed by the New York University |
Date | |
Source | Military Review, September 1963, Page 101 |
Author | U.S. Air Force |
Licensing
[edit]Public domainPublic domainfalsefalse |
This image or file is a work of a U.S. Air Force Airman or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image or file is in the public domain in the United States.
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current | 17:07, 7 February 2018 | 576 × 473 (295 KB) | ВоенТех (talk | contribs) | User created page with UploadWizard |
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Horizontal resolution | 37.79 dpc |
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Vertical resolution | 37.79 dpc |
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