Statements (13)
Predicate | Object |
---|---|
gptkbp:instanceOf |
pendulum
|
gptkbp:category |
horology
|
gptkbp:component |
regulator clock
|
https://www.w3.org/2000/01/rdf-schema#label |
gridiron pendulum
|
gptkbp:inventedBy |
gptkb:John_Harrison
1726 |
gptkbp:material |
gptkb:steel
brass |
gptkbp:principle |
different metals expand at different rates
|
gptkbp:purpose |
temperature compensation
|
gptkbp:usedIn |
precision clocks
|
gptkbp:bfsParent |
gptkb:Mercury_Pendulum
|
gptkbp:bfsLayer |
7
|