File:Frodsham chronometer mechanism.jpg
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Summary
Marine Chronometer #2299 made by Charles Frodsham of London, circa 1844 – 1860. It was later modified to include a telegraph break circuit by William Bond and Son of Boston. From the <a href="https://en.wikipedia.org/wiki/Ladd_Observatory_collection" class="extiw" title="w:Ladd Observatory collection">Ladd Observatory collection</a>.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:57, 12 January 2017 | | 5,184 × 3,456 (6.13 MB) | 127.0.0.1 (talk) | Marine Chronometer #2299 made by Charles Frodsham of London, circa 1844 – 1860. It was later modified to include a telegraph break circuit by William Bond and Son of Boston. From the <a href="https://en.wikipedia.org/wiki/Ladd_Observatory_collection" class="extiw" title="w:Ladd Observatory collection">Ladd Observatory collection</a>. |
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