1782
Differences
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| 1782 [02.12.2022 18:48] – created - external edit 127.0.0.1 | 1782 [27.04.2023 15:23] (current) – gerdlothar | ||
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| + | ====== 1782 ====== | ||
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| + | <WRAP year> | ||
| + | * [[Arnold, John|John Arnold]] applies the cylindrical [[balance spring]] for patent. It makes a watch more [[isochronous]] thanks to two [[Phillips terminal curve]]s. | ||
| + | <- [[1781]] | [[1783]] -> | ||
| + | </ | ||
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| + | {{tag> | ||
1782.txt · Last modified: 27.04.2023 15:23 by gerdlothar