File:WWI German altimeter radium painted.jpg
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Original file (5,117 × 4,794 pixels, file size: 8.54 MB, MIME type: image/jpeg)
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This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Summary
| Description |
English: Aluminium altimeter from a German zeppelin dating back to World War I. The dial was originally painted with radium paint to appear luminous, but the zinc sulfide fluorescent medium has been worn out and appears yellowed. Scale of the item is 8 x 23.5 cm. |
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| Source | https://airandspace.si.edu/collection-media/NASM-19DDB2456E632_001 |
| Author | Smithsonian National Air and Space Museum |
Licensing
 
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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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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 06:33, 30 August 2024 | 5,117 × 4,794 (8.54 MB) | Reconrabbit | Uploaded a work by Smithsonian National Air and Space Museum from https://airandspace.si.edu/collection-media/NASM-19DDB2456E632_001 with UploadWizard |
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