File:Lee US1739512A (Speedic, 1924).svg
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Summary
| Description |
English: Speedic lens design by Horace William Lee for Kapella. Redrawn from US Patent 1,739,512A (1924). |
| Date | |
| Source | Own work |
| Author | Mliu92 |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:07, 21 August 2023 | | 60 × 40 (3 KB) | Mliu92 | Fix error in rear element geometry |
| 17:04, 21 August 2023 |  | 60 × 40 (2 KB) | Mliu92 | Uploaded own work with UploadWizard |
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