File:1917phoroptor.JPG
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Summary[edit]
| Summary | |
|---|---|
| Description | 1917, the first phoropters. Top, the Woolf Ski-Optometer of New York City; bottom, the DeZeng Phoro-Optometer of Camden, NJ. |
| Source | Wikimedia Commons file page |
| Author | DigbyDalton |
| Permission | See original Commons license details. |
Licensing[edit]
Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
This file is licensed under the Creative Commons Attribution-ShareAlike 4.0 International license.
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- Share — copy and redistribute the material.
- Adapt — remix, transform, and build upon the material.
Under the following conditions:
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Official license: CC BY-SA 4.0
License page: CC BY-SA 4.0
Original attribution and file history: Wikimedia Commons
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:08, 7 June 2026 | | 4,608 × 3,456 (5.77 MB) | Maintenance script (talk | contribs) | == Summary == Importing file |
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