Episode 1 of 2
King George's Verification of H5
- When
- May–July 1772
- Where
- Unnamed palace where King George III conducted the tests
King George III tested Harrison's watch No. 2 in 1772, confirming its high accuracy.
The King personally tested the watch at the palace over ten weeks. He found it accurate to within one-third of a second per day. This verification prompted the King to advise Harrison to petition Parliament, threatening to intervene if the Board did not act.
Sources
- John Harrison Wikipedia, revision of 2026-09-24
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.