Breguet overcoil balance spring
GPTKB entity
Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
balance spring
|
| gptkbp:alternativeName |
gptkb:Breguet_hairspring
Breguet spiral |
| gptkbp:category |
horology
|
| gptkbp:component |
watch escapement
|
| gptkbp:feature |
raised terminal curve
|
| https://www.w3.org/2000/01/rdf-schema#label |
Breguet overcoil balance spring
|
| gptkbp:improves |
accuracy
isocronism |
| gptkbp:introducedIn |
1795
|
| gptkbp:inventedBy |
gptkb:Abraham-Louis_Breguet
|
| gptkbp:material |
gptkb:steel
aluminum alloy |
| gptkbp:reduces |
positional error
|
| gptkbp:usedIn |
mechanical watches
|
| gptkbp:bfsParent |
gptkb:Breguet's_watches
|
| gptkbp:bfsLayer |
8
|