Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:castle
|
| gptkbp:accuracy |
High (for its time)
|
| gptkbp:category |
Mechanical clock
|
| gptkbp:component |
gptkb:Case
gptkb:Gears gptkb:Dial Hands Escapement Weights |
| gptkbp:declinedAfter |
20th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pendulum clock
|
| gptkbp:influenced |
Development of accurate timekeeping
|
| gptkbp:introducedIn |
1656
|
| gptkbp:inventedBy |
gptkb:Christiaan_Huygens
|
| gptkbp:mechanismOfAction |
Oscillating pendulum
|
| gptkbp:notableExample |
gptkb:Harrison's_marine_chronometer
Big Ben (uses a pendulum mechanism) |
| gptkbp:periodDependsOn |
Length of pendulum
|
| gptkbp:powerSource |
Potential energy (weights or springs)
|
| gptkbp:regulates |
Pendulum swing
|
| gptkbp:replacedBy |
gptkb:Quartz_clock
|
| gptkbp:requires |
Gravity
Stable support |
| gptkbp:type |
gptkb:Grandfather_clock
Mantel clock Wall clock |
| gptkbp:usedFor |
Timekeeping
|
| gptkbp:usedIn |
Homes
Observatories Public buildings |
| gptkbp:uses |
Pendulum
|
| gptkbp:bfsParent |
gptkb:Marine_Chronometer
|
| gptkbp:bfsLayer |
7
|