File:EB1911 - Photography - Fig. 5.png
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Summary
| Description |
English: Empiric Scale af the spectrum |
| Date | |
| Source | 1911 Encyclopædia Britannica (11th ed.), v. 21, p.499. archive.org/details/encyclopaediabri21chisrich/page/499 |
| Author | Anonymous |
Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1930.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:26, 13 December 2024 | | 1,075 × 549 (197 KB) | DivermanAU | Uploaded a work by {{anonymous}} from 1911 ''Encyclopædia Britannica'' (11th ed.), v. 21, p.499. archive.org/details/encyclopaediabri21chisrich/page/499 with UploadWizard |
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