File:EB1911 - Heliometer - Fig. 10.jpg
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Summary
| Description |
English: EB1911 - Heliometer - Fig. 10 |
| Date | |
| Source | 1911 Encyclopædia Britannica, vol. 13 pp.224–230, Heliometer article |
| Author | Anonymous |
Licensing
|
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, 1929.
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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 | 18:04, 19 December 2017 | | 654 × 356 (43 KB) | DivermanAU | User created page with UploadWizard |
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