Statements (15)
Predicate | Object |
---|---|
gptkbp:instanceOf |
horological invention
|
gptkbp:alsoKnownAs |
Breguet overcoil
|
gptkbp:category |
watchmaking
|
gptkbp:feature |
raised terminal curve
|
gptkbp:function |
improves isochronism of balance wheel
|
https://www.w3.org/2000/01/rdf-schema#label |
Breguet hairspring
|
gptkbp:influenced |
modern watch escapements
|
gptkbp:introducedIn |
1795
|
gptkbp:inventedBy |
gptkb:Abraham-Louis_Breguet
|
gptkbp:material |
gptkb:Nivarox
gptkb:steel |
gptkbp:reduces |
positional errors
|
gptkbp:usedIn |
gptkb:wristwatch
|
gptkbp:bfsParent |
gptkb:Elgin_Veritas_pocket_watch
|
gptkbp:bfsLayer |
7
|