H5
John HarrisonWW-UNK-602285
Artist
John Harrison
Design
John Harrison was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of how to calculate longitude while at sea.
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Verified by Watts Index- Artist
- John Harrison
- Watts ID
- WW-UNK-602285
Source
- Source
- wikidata
- Reference
- View at source
- Status
- verified