File:EB1911 - Photography - Fig. 31, 32.png
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Summary
| Description |
English: Anastigmat. Series II. f/6.3 and Series IIIa f/9 lenses |
| Date | |
| Source | 1911 Encyclopædia Britannica (11th ed.), v. 21, "Photography" article, page 509 archive.org/details/encyclopaediabri21chisrich/page/509 |
| 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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Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:49, 18 December 2024 | | 944 × 268 (55 KB) | DivermanAU | Uploaded a work by {{anonymous}} from 1911 ''Encyclopædia Britannica'' (11th ed.), v. 21, "Photography" article, page 509 archive.org/details/encyclopaediabri21chisrich/page/509 with UploadWizard |
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