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Summary
| Description |
English: Dr Ludwig Bertele's Ernostar lens design of 1924, a modified Cooke Triplet. Geometry redrawn from DRP 458,499. |
| Date | |
| Source | Own work |
| Author | Mliu92 |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:02, 20 March 2023 | | 650 × 600 (2 KB) | Mliu92 | Corrected fill color. |
| 22:00, 20 March 2023 |  | 650 × 600 (2 KB) | Mliu92 | Uploaded own work with UploadWizard |
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