File:RamsdenRS theodolite of 1787.jpg
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Summary
| Description |
English: The first of the three foot theodelites manufactured by Jesse Ramsden. Image published in "An Account of the Trigonometrical Operation, Whereby the Distance between the Meridians of the Royal Observatories of Greenwich and Paris Has Been Determined. By Major-General William Roy" (January 1, 1790). Now available at archive.org. The illustration is from Plate III. (The plates are at the end of the bound volume but Plate III is at page 202 of the PDF file.) The full text description is on true pages 135-160 corresponding to pages 28-53 of the PDF file |
| Date | |
| Source | Philosophical Transactions of the Royal Society of London, volume 80, 1790 |
| Author | William Roy |
| Permission (Reusing this file) |
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| See also | File:RamsdenRS theodolite of 1787 microscope detail.png |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer. 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. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:34, 31 January 2015 |  | 572 × 962 (93 KB) | Peter Mercator | User created page with UploadWizard |
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