File:AbneyLevel.JPG
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Summary
| Description |
English: Abney level or Inclinometer made by Eugene Dietzgen Company of Chicago circa 1936 (serial number 22098). The scale is reversible. As shown in the photo, it is set for measuring percent grade. The reverse measures degrees of arc. |
| Date | |
| Source | Own work |
| Author | Douglas W. Jones |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:41, 6 July 2014 | | 1,137 × 853 (52 KB) | Douglas W. Jones | User created page with UploadWizard |
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